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A motor car is fitted with a convex driving mirror of focal length 20 cm. A second motor car 2 cm broad and 1.6 m high is 6 m away from the first car. Then position of second car as seen from the first car is : |
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Answer» 10.2 CM `-(1)/(600) + (1)/(v) = (1)/(20), v = 19.4 cm`. |
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