MCQOPTIONS
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| 1. |
In an experiment on photoelectric effect photons of wavelength 300 nm eject electrons from a metal of work function 2.25eV. A photon of energy equal to that of the most energetic electron corresponds to the following transition in the hydrogen atom: |
| A. | n=2 to n=1 state. |
| B. | n=3 to n=1 state. |
| C. | n=3 to n=2 state. |
| D. | n=4 to n=3 state. |
| Answer» D. n=4 to n=3 state. | |