A thin flashlight beam traveling in air strikes a glass
A thin flashlight beam traveling in air strikes a glass plate at an angle of 52 degree with the plane of the surface of the plate. If the index of refraction of the glass is 1.4, find what angle will the beam make with the normal in the glass?
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a thin flashlight beam traveling in air strikes a glass plate at an angle of 52 degree with the plane of the surface of
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