Question

During measurement of the refractive index of a transparent slab (L) using travelling microscope of  the real at the bottom is 7 cm. Reading of the cross due to refraction is found as 8 cm. Also reading at the top of the slab is 10 cm. refractive index of material of the slab is

1392946
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A

1.5

B

1.6

C

1.4

D

1.3

Hard
Solution
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Correct option is A)
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