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Three prisms of crown glass, each have a...

Three prisms of crown glass, each have angle of prism `9^(@)` and two prisms of flint glass are used to make direct vision spectroscope. What will be the angle of flint glass prisms if `mu` for flint is `1.69` and `mu` for crown glass is `1.53` ?

A

`11.9^(@)`

B

`16.0^(@)`

C

`15.3^(@)`

D

`9.11^(@)`

Text Solution

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The correct Answer is:
a
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