which is correct about photo electrons
1. electrons are emitted from metal surface when light falls on it
2. the KE of photo elecrons is more for light of longer wavelength in comparison to that due to shorter wavelenght
3. none
Ans is 3 Why not 1.
Shivam , 11 Years ago
Grade 12
2 Answers
Sher Mohammad
Electrons are emitted form metal surface only if the wavelength is more than the critical wavelength, so none of the above is answer.
sher mohammad
b.tech, iit delhi
Approved
Last Activity: 11 Years ago
Shivam
thanx
Last Activity: 11 Years ago
LIVE ONLINE CLASSES
Prepraring for the competition made easy just by live online class.