A cubicla room is formed with 6 plane mirrors An insect moves along the diagonal of th floor with uniform speed The speed of its

Question

A cubicla room is formed with 6 plane mirrors An insect moves along the diagonal of th floor with uniform speed The speed of its image in two adjacent walls is 20 2cm s Then the speed of the image formed on the roof is ONO 20cm s 40 cm s 20 2cm s 10 5cm s

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