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A photon of wavelength 4400 A is passing through vacuum. The effective mass and momentumof the photon are respectively-(a) 5 x 10-36 kg, 1.5 x 10-27 kg -m/s(c) Zero. 1.5 x 10-28 kg-m/s45.[AMU 2000](b) 5 x10-3 kg, 1.5 x 1026 kg-m/s(d) 5x1036kg,1.67 x 10 43 kg-m/s

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