MCQOPTIONS
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| 1. |
A photon of frequency n causes photoelectric emission from a surface with threshold frequency \[{{n}_{0}}\].The de Broglie wavelength\[\lambda \]of the photoelectron emitted is given as |
| A. | \[\Delta n=\frac{h}{2m\lambda }\] |
| B. | \[\Delta n=\frac{h}{\lambda }\] |
| C. | \[\left[ \frac{1}{{{v}_{0}}}-\frac{1}{v} \right]=\frac{m{{c}^{2}}}{h}\] |
| D. | \[\lambda =\sqrt{\frac{h}{2m\Delta n}}\] |
| Answer» E. | |