The optical path of monochromatic light is the same if it travels 2 cm – McqOptions

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1.	The optical path of monochromatic light is the same if it travels 2 cm thickness of glass or 2.25 cm thickness of water. If the refractive index of water is 1.33, what is the refractive index of glass?
A.	2.5
B.	1.5
C.	3.5
D.	4.5
Answer» C. 3.5

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