

MCQOPTIONS
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1. |
Photoelectric effect supports quantum nature of light because |
A. | There is a minimum frequency of light below which no photoelectrons are emitted |
B. | The maximum KE of photoelectrons depends only on the frequency of light and hot on its intensity |
C. | Even when the metal surface is faintly illuminated, the photoelectrons leave the surface immediately |
D. | Electric charge of the photoelectrons is quantised |
Answer» B. The maximum KE of photoelectrons depends only on the frequency of light and hot on its intensity | |