Q. 89

As the angle betw A. increases gradually

B. decreases gradually

C. first increases then decreases

D. first decreases then increases

Answer :

If the angle between 2 plane mirrors is decreased, the number of images of an object placed in between will increase gradually.

The relationship between no. of images and angle of mirror is

Images= (360degrees/ angle between the mirrors)-1

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As the angle betw A. increases graduallyB. decreases graduallyC. first increases then decreasesD. first decreases then increases