Dual Nature of Radiation and Matter

Related Questions

• An electron beam in an X-ray tube is accelerated through a potential difference of 50000 volts. These are then made to fall on a tungsten target. The shortest wavelength of the X-ray emitted by the tube is

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• Photoelectric effect was successfully explained first by

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• Photon of 5.5 eV energy fall on the surface of the metal emitting photoelectrons of maximum kinetic energy 4.0 eV. The stopping voltage required for these electrons are

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• When radiation of wavelength $\lambda $ is incident on a metallic surface, the stopping potential is 4.8 volts. If the same surface is illuminated with radiation of double the wavelength, then the stopping potential becomes 1.6 volts. Then the threshold wavelength for the surface is

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• A photosensitive metallic surface has work function $h{v_0}$. If photons of energy fall on this surface the electrons come out with a maximum velocity of $4 \times {10^6}\,m/s$. When the photon energy is increases to $5h{v_0}$ then maximum velocity of photo electron will be

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