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A glass slab of thickness 8 cm contains the same number of waves as 10 cm of water when both are traversed by the same monochromatic light. If the refractive index of water is 4/3, then find the refractive index of glass?

A glass slab of thickness 8 cm contains the same number of waves
as 10 cm of water
when both are traversed by the same monochromatic light. If the
refractive index of
water is 4/3, then find the refractive index of glass?

Grade:12

1 Answers

Chetan Mandayam Nayakar
312 Points
10 years ago

answer=(4/3)(10/8)

frequency is constant, whereas speed is directly proportional to wavelength

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