A source of light is at 10 cm from a convex mirror and is then moved to a distance of 2 cm from the mirror How much does the image move, if the radius of curvature of the mirror is 4.8 cm?
(1) 10.95 cm
(2) 0.85 cm
(3) 0.75 cm
(4) 0.65 cm
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tha answer is option : (2) 0.85 cm
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