Dual Nature of Radiation and Matter

Related Questions

• The frequency and work function of an incident photon are ? and ${\varphi _0}$. If $\nu _0$ is the threshold frequency then necessary condition for the emission of photo electron is

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• The cathode of a photoelectric cell is changed such that the work function changes from $W_1$ to $W_2$ ($W_2 > W_1$). If the current before and after change are $I_1$ and $I_2$, all other conditions remaining unchanged, then (assuming $h\nu > W_2$)

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• The frequency of a photon, having energy 100 $eV$ is$(h = 6.6\,{10^{ - 34}}\,J{\rm{ - }}sec)$

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• Which of the following law is used in the Millikan's method for the determination of charge

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• The number of photons of wavelength 540 nm emitted per second by an electric bulb of power 100W is (taking h = $6 \times {10^{ - 34}}\,J{\rm{ - }}sec$)

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