What is the minimum thickness of the film
Monochromatic light of variable wavelength is incident normally on a thin sheet of plastic film in air. The reflected light is a maximum only for 482.9 and 676.0 in the visible spectrum. What is the minimum thickness of the film ?
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Determine T1 and T2, the tension in the two parts of the string, and (b) find the moment of inertia of the pulley. (118.5 N, 156 N, 1.17 kg.m2)
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