# NEET Physics Ray Optics and Optical Instruments Questions Solved

A room (cubical) is made of mirrors. An insect is moving along the diagonal on the floor such that the velocity of image of insect on two adjacent wall mirrors is . The velocity of image of insect in ceiling mirror is

(a) 10 $cm{s}^{-1}$                            (b) 20 $cm{s}^{-1}$

(c) $\frac{10}{\sqrt{2}}cm{s}^{-1}$                          (d) $10\sqrt{2}cm{s}^{-1}$

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