MHT CET 2024 Physics question
For a photosensitive material work function is '' and stopping potential is 'V'. the wavelength of incident radiation is (h= Plank's constant, c = velocity of light, e= electronic charge)
Answer: (D)
Solution
Einstein's photoelectric equation: the photon energy equals the work function plus the maximum kinetic energy, and the maximum kinetic energy equals (stopping potential). So , which
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