In photoelectic effect, the number of photo electrons emitted is proportional to
A. velocity of incident beam
B. work function of photo cathode
C. frequency of incident beam
D. intensity of incident beam
Answer: Option D
Related Questions on Modern Physics
. . . . . . . . invented Atom Bomb.
A. J Robert Oppenheimer
B. John Bau a Ning
C. Samuel Cohan
D. Samuel Colt
A. when low speed electrons is ejected
B. when high speed electron is obstructed by a metal surface
C. when anode-ray obstructed by a solid object
D. when γ-ray is obstructed by a solid object
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