A ray of light is icident on a glass pla...

A ray of light is icident on a glass plate of refractive index 1.5. The angle between the reflected and refracted rays is `90^@`. What is the ratio of wavelengtth of reflected t refracted rays ?

A

`2.1`

B

`1.5`

C

`1.6`

D

none of these

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The correct Answer is:

B

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