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A glass slab of thickness 4 cm contains ...

A glass slab of thickness 4 cm contains the same number of waves as X cm of water column when both are transverse by the same monochromatic light, If the refractive indices of glass and water ( for that light ) are 5/3 and 4/3 respectively, the value of X will be

A

9/20 cm

B

20/9 cm

C

5/4 cm

D

5 cm

Text Solution

Verified by Experts

The correct Answer is:
D
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