A point source of light S is placed in front of a large screen at a distance of 100 unit from the screen as shown Intensity at a

Question

A point source of light S is placed in front of a large screen at a distance of 100 unit from the screen as shown Intensity at a point P on the screen point P is the point on screen closest to source S is S 100 Screen P Choose the correct answer 1 A large mirror is now placed at a distance of 50 unit from the source S towards the left of source S as shown New intensity of light at Pis 1 only 2 1 25 3 1 5 4 2 50 S 100 P Screen

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