Q. When wavelength of incident photon is decreased then
A) Velocity of emitted photoelectron decreases
B) Velocity of emitted photoelectron increases
C) Velocity of photoelectron do not change
D) Photo electric current increases
Explanation
(b) With decrease in wavelength of incident photons, energy of photoelectrons increases
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.