When wavelength of incident photon is decreased then:
A. photo electric current increases.
B. velocity of emitted photo electron increases.
C. velocity of emitted photo electron decreases.
D. velocity of photo electron does not change
Answer:B
When wavelength of incident photon is decreased then:
A. photo electric current increases. B. velocity of emitted photo electron increases. C. velocity of emitted photo electron decreases. D. velocity of photo electron does not change