Focal length of a thin convex lens is 30 cm. At distance of 10 cm from the lens there is a plan refracting surface of refractive index `3//2`. Where w the parallel rays incident on lens converge ? A. At a distance of 27.5 cm from the lensB. At a distance of 25 cm from the lensC. At a distance of 45 cm from the lensD. At a distance of 40 cm from the lens

Focal length of a thin convex lens is 30 cm. At distance of 10 cm from

1.	Focal length of a thin convex lens is 30 cm. At distance of 10 cm from the lens there is a plan refracting surface of refractive index `3//2`. Where w the parallel rays incident on lens converge ? A. At a distance of 27.5 cm from the lensB. At a distance of 25 cm from the lensC. At a distance of 45 cm from the lensD. At a distance of 40 cm from the lens
Answer» Correct Answer - D

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