Related InterviewSolutions

• The photoelectrons emitted from a metal surface:A. Are all at restB. Have the same kinetic energyC. Have the same momentumD. Have speeds varying from zero upto a certain maximum
• Radiation of frequency 1.5 times the threshold frequency is incident on a photosensitive material. If the frequency of incident radiation is halved and the intensity is doubled, the number of photoelectron ejected per second becomes:A. ZeroB. half of its initial valueC. one fourth the initial valueD. three fourth the initial value