MCQOPTIONS
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| 1. |
The work functions of metals A and B are in the ratio 1 : 2. If light of frequencies f and 2f are incident on the surfaces of A and B respectively, the ratio of the maximum kinetic energies of photoelectrons emitted is (f is greater than threshold frequency of A, 2f is greater than threshold frequency of B) |
| A. | 0.0423611111111111 |
| B. | 1 : 2 |
| C. | 1 : 3 |
| D. | 0.0444444444444444 |
| Answer» C. 1 : 3 | |