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A plane mirror produces a magnification of

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Important Questions on Ray Optics

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Two plane mirrors are kept parallel at 20 cm from each other. A point object O is placed exactly in between them. Calculate distance between second images formed by two mirrors.
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A virtual and magnified image can be obtained by-
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In case of reflection from curved surface
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Which one of the following statements concerning spherical mirrors is correct?
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A spherical mirror forms an erect image, three times the linear size of the object. If the distance between the object and the image is 80 cm, the focal length of the mirror is
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A person standing 12 cm away from mirror A of focal length 10 cm sees his image inverted and enlarged. When the mirror A is replaced by mirror B of the same focal length, the person observes diminished and erect image. Mirrors A and B are respectively
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If one face of prism is silvered having prism angle 30° and μ=2. What will be the angle of incidence, so that the incident ray retraces its path? 
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A ray of light passes through an equilateral prism such that the angle of incidence is equal to the angle of emergence and the latter is equal to 34th of angle of prism. The angle of deviation is