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Electron, Photon, Photoelectric Effect and X-Rays — Physics STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 SciencePhysicsElectron, Photon, Photoelectric Effect and X-Rays1 Mark
Question
Kinetic energy of emitted cathode rays is dependent on(a) Only voltage(b) Only work function(c) Both (a) and (b)(d) It does not depend upon any physical quantity
 
 
 
 
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Answer

(c) Both (a) and (b)

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