The refractive index of glass is 1.5 . A ray of light passes from air to glass. It makes an angle of 20° to the normal just before entering the glass. Calculate the: (1) angle the refracted ray makes with the normal. (2) Critical angle for glass.
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the image is virtual and has a magnification of m di/do di f do 75 20 ... and incident on a plane boundary with medium 2 of lower index of refraction (air, e.g.). ... the refracted beam is bent away from the normal as it passes from the glass
Explanation:
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