1.

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.

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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