Dual Nature of Radiation and Matter

Related Questions

• The speed of an electron having a wavelength of ${10^{ - 10}}m$ is

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• The work function of a metallic surface is 5.01 eV. The photo-electrons are emitted when light of wavelength 2000Å falls on it. The potential difference applied to stop the fastest photo-electrons is $[h = 4.14 \times {10^{ - 15}}\;eV\sec ]$

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• Penetrating power of X-rays does not depend on

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• When cathode rays strike a metal target of high melting point with very high velocity, then

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• Light of wavelength $\lambda $strikes a photo-sensitive surface and electrons are ejected with kinetic energy E. If the kinetic energy is to be increased to 2E, the wavelength must be changed to $\lambda '$ where

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