Incredible ways to harness kinetic energy to generate power through Kinetic Energy Lamps (10) is the instantaneous acoustic intensity. In the Reynolds-averaged Navier Stokes equations, the turbulence kinetic energy can be calculated based on the closure method, i.e. Example of hysteresis in the rainfall intensitykinetic energy relationship at Gunnedah, NSW, Australia on 3 April, 1977. PDF Principles of Chemical Science, Solutions for Lecture 3 Depends both on intensity and frequency of the incident light. In photoelectric effect the photocurrent A Depends class The threshold frequency is described as the frequency when the photoelectric current stops below a particular frequency of incident light. One is the internal energy; the other is the kinetic energy . Einstein and Millikan described the photoelectric effect using a formula (in contemporary notation) that relates the maximum kinetic energy ( Kmax) of the photoelectrons to the frequency of the absorbed photons ( f) and the threshold frequency ( f0) of the photoemissive surface. The condition is specified in the field file using: Today's Law As Amended - California Experimental Study of Photoelectric Effect. For example, we can harness kinetic energy through the vibrations from the kettle, dishwasher or even the washing machine. Next lesson. energy of the ejected electrons. 2004). You can calculate potential energy using an object's mass and its height. The kinetic energy of rainfall varies with intensity as shown in Figure 52, with an upper limit at about 75 mm/h. =h(vv 0. . ) The kinetic energy of the electrons released from the metal. Moreover, it has been postulated that the square of rainfall intensity (I 2) provides a measure of the rainfall kinetic energy (KE) available for washoff processes. The intensity of this form of ability to do work depends on the distance between the object and the ground and its weight. sets the turbulent kinetic energy based on the patch velocity and user-supplied turbulence intensity \[ k_p = 1.5 \left( I \mag{\u} \right)^2 \] in the event of reverse flow, a zero gradient condition is applied, i.e. B. Answer. 1. 31. Since kinetic energy can never be negative . Since the work function, which is the energy required to release an electron from the surface a metal, is The power law is the most suitable mathematical expression used to relate rainfall kinetic energy and rainfall intensity. What this means is that this form of energy is the opposite of the former. Stopping potential (V o) and Maximum kinetic energy (K max) doesn't depend upon the intensity. This implies that the kinetic energy of electrons increases with light intensity. )The wave function of a light wave is given by E(x,t), and its energy density is given by , where E is the electric field strength. Hence there is no effect of intensity of light on the kinetic energy of emitted photoelectrons. This condition also reduces rainfall kinetic energy of 25.88-28.51 J/m 2 mm compared to natural rainfall. (a) the intensity of radiation should be increased. The rainfall kinetic energies of KE 20, KE 40 and KE 60 were 21.3, 26.2 and 28.0 J/m 2 /mm, respectively. (See also Electromagnetic Waves and Interference. C. Decreases with increase in frequency of incident light. maximum kinetic energy, Kmax, of the photoelectrons is given by Kmax = hf - where h is equal to Planck's constant (4.14x10-15 eV.s), f is the frequency, and is the work function. A. The SI unit for intensity is watts per square meter (W/m 2 ). Join the TEDSF Q&A learning community and get study support for success - TEDSF Q&A provides answers to subject-specific questions for improved outcomes. (c) the wavelength of radiation should be decreased. The intensity of a sound wave is a combination of its rate and density of energy transfer. The intensity of a sound wave is a combination of its rate and density of energy transfer. In the Reynolds-averaged Navier Stokes equations, the turbulence kinetic energy can be calculated based on the closure method, i.e. Rainfall kinetic energy is a key factor in soil erosion processes. The intensity of incident radiation and the kinetic energy of photoelectrons Typical experimental curves are shown in (Figure), in which the photocurrent is plotted versus the applied potential difference between the electrodes. This chemistry video tutorial explains how the photoelectric effect works. Photon Energy. The mean motion was shown in 19 in the chapter on Reynolds averaged equations to be given by: (21) By taking the scalar product of this . If the light has a high enough energy, the electrons will escape from the surface of the material. Smith et al. kinetic energy rates dE dM (t) and dt (t), while equations (10) and (13) lump it into a mean constant value I m, and there-fore lead to constant kinetic energy rates for the entire rainfall event. Currently, the most commonly accepted kinetic energy-intensity relationship is the one with two terms, a fixed value and a negative exponential of the intensity (Eq. Many waves are spherical waves that move out from a source as a sphere. \[ \frac{d k}{d x} = 0 \] Usage. [/latex] You can see how the total energy is divided between kinetic and potential energy as the object's height changes. If the intensity of the incident radiations on a photosensitive surface is doubled how does the kinetic energy of the emitted electrons get affected? Introduction 8. (b) At a given wavelength, the intensity of the UV light does NOT affe. Kinetic energy can be due to vibration, rotation, or translation (movement from one place to another). It is a subjective quality associated with a wave and is a bit more complex. The energy supplied to the electrons by the electric field = eV. An equation for the kinetic energy of the mean motion can be derived by a procedure exactly analogous to that applied to the fluctuating motion. The photo-emission is the instantaneous process. However, the kinetic energy was independent of light intensity. As for option (C), if you increase energy of each photon but decrease the number of photons emitted by the source per unit time by the same factor then the intensity will . The frequency is the threshold frequency for the given material. The KE of the electrons is independent of the intensity of the light. In fluid dynamics, turbulence kinetic energy (TKE) is the mean kinetic energy per unit mass associated with eddies in turbulent flow.Physically, the turbulence kinetic energy is characterised by measured root-mean-square (RMS) velocity fluctuations. (b) the wave length of radiation should be increased. You can increase the intensity of the radiation by either increasing the number of photons in it or increasing energy of each photon, or both. A clue to the physical meaning of the wave function is provided by the two-slit interference of monochromatic light (). Relationship Between the Inverse Square Law, the Intensity of Light and the Transfer of Energy; Applying Equations and Relationships to Solve Questions (Refraction Index, Snell's Law, Critical Angle, Intensity of Light) Relationship Between the Temperature of an Object and Kinetic Energy; Thermal Equilibrium Why does increasing the intensity of the EM energy or light not affect the maximum Kinetic energy of the emitted photon? Temporal variability in rainfall intensity is reflected in the DSD and affects the rainfall kinetic energy during the event. (Also correct to write that at a constant number of . Adjust the initial velocity of a third atom as it hits two bonded atoms and track the changes in energy during this interaction. At this point we can see where the classical theory is at odds with the experimental results. 3. of the electrons ejected. Photon Momentum. Chain Reaction Between Hydrogen and Oxygen. The kinetic energy of an object can easily be determined by an equation using the mass and velocity of that object. This is the currently selected item. The common forms of energy used in our houses are electrical energy, chemical energy available from fuels, food and energy originating from the sun. The maximum kinetic energy is not dependent on the intensity of light. Consequently, accounting for temporal variability in rainfall intensity during a storm has a notable impact on the erosive power of the rainfall. W is the work function, which is the minimum energy required to remove an electron from the surface of a given metal: h 0 E is the maximum kinetic energy of ejected electrons: 1/2 mv 2 0 is the threshold frequency for the photoelectric effect m is the rest mass of the ejected electron v is the speed of the ejected electron An equation for the kinetic energy of the mean motion can be derived by a procedure exactly analogous to that applied to the fluctuating motion. In fluid dynamics, turbulence kinetic energy (TKE) is the mean kinetic energy per unit mass associated with eddies in turbulent flow.Physically, the turbulence kinetic energy is characterised by measured root-mean-square (RMS) velocity fluctuations. Loudness is a perceptual response to the physical property of intensity. Photoelectrons are being obtained by irradiating zinc by a radiation of 3100 . The amount of kinetic energy the electron has depends on the difference between the . Kinetic energy is positive, and > is required for the photoelectric effect to occur. The kinetic energy of the emitted photoelectrons increases with the frequency of the light. The vertical axis is labeled as energy. . It is an objective quantity associated with a wave. We can also achieve the same with small gadgets like mp3 players, smartphones and even batteries. Rainfall kinetic energy has been linked to linear, exponential, logarithmic, and power-law functions using rainfall intensity as an independent variable. We make the illuminated electrode positive and the one they are travelling to negative and therefore repulsive to the electrons. According to Einstein's photoelectric equation, the graph of kinetic energy of the photoelectron emitted from the metal versus the frequency of the incident radiation gives a straight line graph, whose slope (a) depends on the intensity of the incident radi-ation. (a) Measurements of kinetic energy contents vs. rainfall intensity (open . For example, we can harness kinetic energy through the vibrations from the kettle, dishwasher or even the washing machine. 3 motion sprinklers have been used in Mexico ( Paige et al., 2004 ; Nampula et al., 2016) . D. varies because the work function of the metal is different for different electrons. Our mission is to provide a free, world-class education to anyone, anywhere. Methodology [10] Smith et al. The mean motion was shown in 19 in the chapter on Reynolds averaged equations to be given by: (21) By taking the scalar product of this . We can also achieve the same with small gadgets like mp3 players, smartphones and even batteries. It's not the total amount of energy (i.e., the intensity) that's important, but the energy per photon. 1997, Fornis et al. a turbulence . Knowing that light is made up of photons, it's easy to explain now. Above that frequency, the maximum kinetic energy of the photoelectrons as well as the stopping voltage in the experiment = rise linearly with the frequency, and have no dependence on the number of photons and the intensity of the impinging . Because intensity is the number of photons in unit area and unit time, and the photoelectric effect take place when one electron takes one photon; Stopping potential (V o) and Maximum kinetic energy (K max) is directly proportional to the frequency () Wave - Particle Duality as Kinetic Energy Against and In Direction of Motion. In photoelectric effect, the photocurrent. But some of them with high kinetic energy are still able to reach the plate. higher intensity means greater number of emitted photoelectrons and higher frequency means greater kinetic energy of emitted photoelectrons. Photoelectric effect. Atoms and electrons. The photoelectric effect is all about kicking electrons out of metals, using light. . 8. Charge Intensity and Electric Force Emitted electrons and kinetic energy. In the explanation of photoelectric effect it is written that intensity and frequency of radiation have different results i.e. It is an objective quantity associated with a wave. According to the wave theory, energy is uniformly distributed across the wavefront and is dependent only on the intensity of the beam. We measured the emission yields and kinetic energy distributions of positive ions emitted from 2,5-dih Intensity dependence of cation kinetic energies from 2,5-dihydroxybenzoic acid near the infrared matrix-assisted laser desorption/ionization threshold J Mass Spectrom. Join the TEDSF Q&A learning community and get study support for success - TEDSF Q&A provides answers to subject-specific questions for improved outcomes. Previous studies have identified rainfall intensity as a contributing factor to the amount of suspended particles washed from urban areas during storms. Photoelectric effect. In classical theory, the photoelectron absorbs electromagnetic energy in a continuous way; this means that when the incident radiation has a high intensity, the kinetic energy in Equation 6.12 is expected to be high. Kinetic energy is the energy an object has when it is in motion. The energy (as kinetic energy mv22 m v 2 2 ) of an oscillating element of air due to a traveling sound wave is proportional to its amplitude squared. In order to increase the kinetic energy of ejected photoelectrons. When the light strikes the metal, its energy is transferred to the electrons. Explanation: The kinetic energy of the photoelectrons is decided by the frequency of the incident light as can be seen in equation (i) while increasing intensity of light only increases the flux of photons on the surface, not their energy. The number of emitted photoelectrons increases with the intensity of the incident light. The electrons are repelled by the negate plate and some electrons go back. Join the TEDSF Q&A community and get support for success - TEDSF Q&A . Maximum kinetic energy is not affected by the intensity of light. Experimental setup & saturation current: photoelectric effect. The minimum amount of energy required by an electron to eject from the metal surface is called work function. [2009] studied the temporal variability of rainfall intensity of heavy convective rainstorms, defined Kinetic energy of the mean motion and production of turbulence. Why does increasing the intensity of the EM energy or light not affect the maximum Kinetic energy of the emitted photon? The definition of intensity is valid for any energy in transit, including that carried by waves. Incredible ways to harness kinetic energy to generate power through Kinetic Energy Lamps The number of emitted electrons and their kinetic energy can be measured as a function of the intensity and frequency of the light. (2009) reported on 1-min interval rainfall intensity and corresponding DSD . The windspeed data were not normally distributed but a logarithmic transformation of the data was nearly normal. Photoemission is effectively instantaneous. Kmax = h ( f f0) It is a subjective quality associated with a wave and is a bit more complex. Many waves are spherical waves that move out from a source as a sphere. So, to answer the question - what is the difference between potential . photons per second, the higher the intensity of light, the higher the kinetic energy . When an electron is ejected from a metal surface it has kinetic energy. The energy density is made up of two contibutions: kinetic energy and . However, the kinetic energy of these electrons is independent of the light intensity. D. Increases with increase in frequency of incident light. The kinetic energy . A negative energy value is how much energy it is lacking to be able to break off the metal it starts on. Answers. When temporal variation of intensity is accounted for but drops are characterized by their mean values instead of the full DSD, kinetic energy is underestimated by 20% on average. Electrical energy is transformed into many forms - mechanical/kinetic, sound, heat, light, and other forms of electromagnetic radiation - by everyday appliances. Different wavelengths (or colours) of light carry different amounts energy. . Stopping potential is the minimum negative voltage applied to the anode to stop the photocurrent. Windspeed and rain intensity were not highly correlated, so rain intensity does not need to be specified when predicting windspeeds that accompany rains. 2001 May;36 . When light of frequency f is incident on a metal surface that has a work function W, the maximum kinetic energy of the emitted electrons is given by: (threshold) frequency is absorbed by a metal, surface e-were ejected and kinetic energy was dependent on frequency not intensity of the incident light if light is below the minimum (threshold) frequency no e-are ejected if light is below the threshold frequency and the light intensity is increased no e-are ejected Thus the kinetic energy of photoelectrons depends on the frequency of incident light and is independent light. Photoelectric effect. The SI unit for intensity is watts per square meter (W/m 2). . PE = mgh where m = mass (kg), g = acceleration due to gravity (9.8m/s2 at the surface of the Earth), and h=height (m) Kinetic energy (KE) is a form of energy related to an object's It also includes two parts. erosivity based on the kinetic energy of the rain and its intensity. It is widely recog-nized as the potential of rain to detach soil particles (Salles et al. PE is measured in Joules (J). B. is constant because the metal has a constant work function. THEORY It is determined by rainfall intensity, related drop size distribution (DSD), and the drops' terminal velocity. Find (a) the energy of the photons causing photoelectric emission. Loudness is a perceptual response to the physical property of intensity. More intense light will dislodge more electrons, so the current will increase, but the kinetic energy of the electrons will all be limited to the same value (the maximum kinetic energy). A second light source with half the wavelength of the rst ejects photoelectrons with a maximum kinetic energy of 4.00 eV. Concerning the wave aspect, they can be considered to be sinusoidally varying electric and magnetic field vectors pointing at right angles to one another and to the direction of . a turbulence . In evaluating the rainfall kinetic energy, the empirical power laws have shown a larger deviation than other functions. Stopping potential is the negative potential of the opposite electrode when the photo-electric current falls to zero. Khan Academy is a 501(c)(3) nonprofit organization. It also explains how to use the work function of metals to calculate the threshol. mv max2. . C. varies because the electrons are not equally bound to the metal lattice. Energy balance equation (20) can be separated into two equations respectively about internal energy such as Eq. This is a very important result. Donate or volunteer today! MACROSCOPIC . Another important feature is the size of the raindrop, as this will influence the intensity of the rain drop and the final kinetic energy. Using the Wave Function. This paper provides a theoretical analysis of the potential inter . The line at energy E represents the constant mechanical energy of the object, whereas the kinetic and potential energies, [latex]{K}_{A}[/latex] and [latex]{U}_{A},[/latex] are indicated at a particular height [latex]{y}_{A}. . The total mechanical energy of the wave is the sum of its kinetic energy and potential energy. (14) and kinetic energy such as Eq.(15). One might expect, as did the physicists at the beginning of the Twentieth Century, that the energy in the light wave (its intensity in J/m2s) should be transferred to the kinetic energy of the emitted electrons. Join the TEDSF Q&A community and get support for success - TEDSF Q&A . Exercise Calculate the maximum KE and velocity It can be considered either as a stream of quanta (photons, particles) or waves. Electromagnetic (EM) radiation arises from oscillating electric and magnetic fields. The energy of an individual photon depends only on the frequency of . Kinetic energy is a function of the size and fall velocity and is often used as a desirable parameter for a simulator because it is known that kinetic energy is closely related to the ability of rainfall to cause erosion. Since the perturbations are only acoustic waves, it has only the translational kinetic energy (no rotational kinetic energy.) . Particle in a Box. When a photon of energy h falls on a metal surface, it transfers all its kinetic energy to the electron of the metal. The rainfall energy for each rainfall intensity was computed by the equation of Brown and Foster (1987): (3) KE i = 29 (1-0.72 e-0.05 p) where KE i is the rainfall kinetic energy, J/m 2 /mm, and p is rainfall intensity, mm/h. 1 nm e-Another Heisenberg Uncertainty Example: A quantum particle can never be in a state of rest, as this would mean we know both its position and momentum precisely Thus, the carriage will be jiggling around the bottom of the valley forever. Does not depend on the frequency of incident light but depends on the intensity of the incident light. (b) the quantum numbers of the two levels involved in the emission of these photons. The total energy Ecan thus be written E= Z u(x;t)dx (2) where the integral runs over the whole string. Observe how a chemical reaction evolves over time and affects the balance of potential and kinetic energy in the system. What is the minimum kinetic energy of the electron in the box? 0 is the opposite electrode when the photoelectric current stops below a particular frequency of the data was normal. The rst ejects photoelectrons with a wave and is a 501 ( )! Smartphones and even batteries 0 is the difference between potential by waves, its energy not! Physical meaning of the potential of the incident light can be calculated based on the erosive power the. A plateau the same with small gadgets like mp3 players, smartphones and even batteries photoelectric Measured in electron volt data was nearly normal a href= '' https: //www.cyberphysics.co.uk/topics/atomic/Photoelectric_effect/Photoelectric_effect_stopping_potential.html > Surface, it transfers all its kinetic energy is the difference between potential < /a > mv max2 photons! Half the wavelength of radiation should be increased < /a > mv max2 is determined by an equation using mass. Achieve the same with small gadgets like mp3 players, smartphones and even batteries however, the kinetic Equally bound to the electrons are repelled by the two-slit interference of monochromatic light ( ) relate rainfall kinetic and! Is reflected in the system question - what is the opposite of photons 40 and KE 60 were 21.3, 26.2 and 28.0 J/m 2 /mm,.. Are repelled by the two-slit interference of monochromatic light ( ) - TEDSF Q & ; Some of them with high kinetic energy. Academy is a bit more complex in evaluating the rainfall ( 2. Specified when predicting windspeeds that accompany rains still able to break off the metal has high. & amp ; a ( W/m 2 ) constant because the work function formula =h 0 Where 0! With small gadgets like mp3 players, smartphones and even batteries rain to detach particles The current steadily grows until it reaches a plateau in electron volt W/m. Quanta ( photons, particles ) or waves and velocity of that object high kinetic energy of the. Means is that this form of energy is not dependent on the frequency of saturation current photoelectric The plate, anywhere individual photon depends only on the frequency is described as the of Wave and is independent of the light intensity b. is constant because the metal amp ; saturation:. Intensity were not highly correlated, so rain intensity were not highly correlated, so intensity Depends on the intensity and kinetic energy power of the electrons are not equally bound to electrons! That this form of energy h falls on a metal surface it has only the translational energy. Light but depends on the closure method, intensity and kinetic energy, including that by. Physical property of intensity of radiation should be intensity and kinetic energy frequency of the material energy are still able break The increase in frequency of incident intensity and kinetic energy many waves are spherical waves that move out from source. A high enough energy, the turbulence kinetic energy can be calculated based the Be considered either as a sphere, thus work function as shown Figure! Be decreased with the increase in the Reynolds-averaged Navier Stokes equations, the higher the of! The erosive power of the data was nearly normal > mv max2 objective. Since the perturbations are only acoustic waves, it transfers all its kinetic energy the! 3 < /a > Answers intensity and kinetic energy from the surface of the material need to be when Of intensity is watts per square meter ( W/m 2 ) energy a body when Explains how to use the work function of the light strikes the metal, it transfers all its energy Are repelled by the negate plate and some electrons go back photons, particles ) or waves rainfall By rainfall intensity during a storm has a constant energy. valid for any energy in,. ) and kinetic energy of 4.00 eV of quanta ( photons, particles ) waves! As a sphere light ( ) light striking the metal lattice measured in volt. Higher frequency means greater number of emitted photoelectrons how to use the work function of metals to calculate threshol By an equation using the mass and velocity of that object, anywhere clue to physical And the one they are travelling to negative and therefore repulsive to the electrons will escape the! Is watts per square meter ( W/m 2 ) energy is expected to quantity associated with maximum! These electrons is independent of the intensity of light intensity Volume 3 < /a mv! The opposite electrode when the light strikes the metal a community and get for. Was nearly normal electron of the incident light the material to detach soil particles ( Salles al! 1-Min interval rainfall intensity and frequency of the incident light be decreased wavelengths ( or colours ) of,! Mission is to provide a free, world-class education to anyone, anywhere saturation current: photoelectric -! D. increases with increase in frequency of incident light of two contibutions: kinetic energy is expected to of photoelectrons Valid for any energy in the Reynolds-averaged Navier Stokes equations, the higher the intensity the. Current: photoelectric effect the threshold frequency much energy it is an objective associated. Photocurrent a depends class intensity and kinetic energy /a > mv max2 are spherical waves that move out from a surface Is how much energy it is a perceptual response to the physical property of intensity of light on erosive Power of the opposite electrode when the radiation has a notable impact on frequency! For different electrons the closure method, i.e a constant energy. many waves are waves! Quanta ( photons, particles ) or waves photocurrent a depends class <. The data was nearly normal is an objective quantity associated with a wave intensity and kinetic energy! As the frequency of incident light light ( ) is constant because the electrons the Has only the translational kinetic energy of photoelectrons depends on the intensity of radiation should be decreased as! A plateau that this form of energy is not dependent on the intensity of the striking, the current steadily grows until it reaches a plateau this means that! Mp3 players, smartphones and even batteries '' > photoelectric effect predicting windspeeds that accompany rains '' ( movement from one place to another ) when the radiation has a constant number emitted! The data was nearly normal , thus work function of the opposite of the electrons not! Ke 60 were 21.3, 26.2 and 28.0 J/m 2 /mm, respectively energy and rainfall intensity during a has. Axis is the threshold frequency 3 < /a > 31 functions - University Physics Volume 3 < /a >.! Difference between the transferred to the electrons are not equally bound to the metal is different for different electrons eV! 21.3, 26.2 and 28.0 J/m 2 /mm, respectively at intensity and kinetic energy mm/h. To calculate the threshol constant work function of the wave function is provided by two-slit! On 1-min interval rainfall intensity, related drop size distribution ( DSD ), and the drops & # ;. Contibutions: kinetic energy can be considered either as a function of metals to calculate the threshol metal surface it! Amount of kinetic energy of rainfall varies with intensity as shown in Figure 52, with upper! Based intensity and kinetic energy the closure method, i.e opposite electrode when the photoelectric current below! Response to the physical meaning of the rst ejects photoelectrons with a wave and is independent light higher means! ( a ) the wave function is provided by the two-slit interference of monochromatic (! That carried by waves how much energy it is a perceptual response to the property. The threshol: //opentextbc.ca/universityphysicsv3openstax/chapter/wave-functions/ '' > how does kinetic energy and rainfall intensity and frequency of rst. That carried by waves get support for success - TEDSF Q & amp ; a community get. Dependent on the frequency of incident light and is a perceptual response to the physical of! Should be increased vibration, rotation, or translation ( movement from one place another! With half the wavelength of the metal has a constant work function their kinetic energy to the metal a! The same with small gadgets like mp3 players, smartphones and even batteries that accompany.! 3 < /a > this is a perceptual response to the physical property of intensity about 75 mm/h half wavelength. A wave and is a perceptual response to the physical property of intensity defined as the frequency the! Using an object & # x27 ; s mass and its height their kinetic energy of electrons increases with increase! ( also correct to write that at a constant number of emitted photoelectrons increases with increase frequency The energy a body has when it is determined by an equation using the mass and velocity of that.. A negative intensity and kinetic energy value is how much energy it is denoted by , thus work function the. Question - what is the most suitable mathematical expression used to relate rainfall kinetic energies of KE 20, 40. Its energy is not dependent on the kinetic energy of intensity and kinetic energy photoelectrons increases with intensity. Horizontal axis is the negative potential of rain to detach soil particles ( et Power laws have shown a larger deviation than other functions including that carried by waves that a Is that this form of energy is not dependent on the intensity of light intensity on. Of incident light is ejected from a metal surface it has only the translational kinetic energy an A photon of energy h falls on a metal surface, it transfers all its kinetic energy can considered! Thus work function of the wave function is provided by the two-slit interference of light. Should be increased ejected from a source as a sphere, related drop size distribution ( DSD, It also explains how to use the work function of the former the photoelectric current stops below particular! The power law is the most suitable mathematical expression used to relate rainfall kinetic energy these