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(chatquestion)...260 • Opties and Modern Physics INTRODUCTORY EXERCISE 33.1 Find the energy and momentum of a photon of ultraviolet radiation of 280 nm wavelength. 2. A small plate of a metal is placed at a distance of 2 m from a monochromatic light source of wavelength 4.8 x 10 m and power 1.0 Watt. The light falls normally on the plate. Find the number of photons striking the metal plate per square metre per second. 3 A proton and a deuteron are accelerated by same potential difference. Find the ratio of their de-Bfoglie wavelengths. urticles pas sufered de To accour acarly all electrons 4. A deuteron and an a-particle have same kinetic energy. Find the ratio of their de-Broglie alectros wavelengths. 5. Two protons are having same kinetic energy. One proton enters a uniform magnetic field at right angles to it. Second proton enters a uniform electric field in the direction of field. After some time their de-Broglie wavelengths are 1, and A2, then (a) ^1 = 12 (d) some more information is required motion The la strons Ruth (b) ^, < ^2 evi (c) > 12 ele aG
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telegram-56443
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Feb 11, 2020
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balaji.thirumalai
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