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For the arrangement of mirrors as shown in the figure, a light ray is found to retrace its path when the angle of incidence on the plane mirror is 30∘. Find the distance OP, if focal length of concave mirror is 25 cm. |
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Answer» For the arrangement of mirrors as shown in the figure, a light ray is found to retrace its path when the angle of incidence on the plane mirror is 30∘. Find the distance OP, if focal length of concave mirror is 25 cm. |
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