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Q.

A diverging meniscus lens of 1.5 refractive index has concave surfaces of radii 3 and 4 cm. The position of image if an object is placed 12 cm infront of the lens is 

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a

-8 cm

b

24 cm

c

-24 cm

d

8 cm

answer is B.

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Detailed Solution

1f=(μ−1)(1R1−1R2);1f=1v−1u

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