The wavelength of sodium light is $5.862 \times 10^{-16} \, m$. The energy of the photon will be .....
- A$3.65 \times 10^{14} \, J$
- B$8.22 \times 10^{-10} \, J$
- C$3.38 \times 10^{-10} \, J$
- D$5.26 \times 10^{13} \, J$
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Give the characteristics of electromagnetic radiation. Give the relation between them.
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View SolutionThe work function $(\phi)$ of some metals is listed below. The number of metals which will show photoelectric effect when light of $300 \ nm$ wavelength falls on the metal is
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| Metal | $Li, Na, K, Mg, Cu, Ag, Fe, Pt, W$ |
| $\phi \ (eV)$ | $2.4, 2.3, 2.2, 3.7, 4.8, 4.3, 4.7, 6.3, 4.75$ |
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View SolutionThe ejection of the photoelectron from the silver metal in the photoelectric effect experiment can be stopped by applying a stopping potential of $0.35 \ V$ when radiation of $256.7 \ nm$ is used. Calculate the work function for silver metal.
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