The focal length of a concave mirror is 20cm.The size of the image formed by this mirror is double that of object then object distance
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Answer:ray of monochromatic light is incident on one of the faces of an equilateral triangle prism of refracting angle A. Trace the path of ray passing through the prism. Hence derive an expression for the refractive index of material of the prism in terms of the angle of minimum deviation and its refracting. angle.
Explanation:ray of monochromatic light is incident on one of the faces of an equilateral triangle prism of refracting angle A. Trace the path of ray passing through the prism. Hence derive an expression for the refractive index of material of the prism in terms of the angle of minimum deviation and its refracting. angle.
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