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Two glass prisms P(1) and P(2) are to be...

Two glass prisms `P_(1) and P_(2)` are to be combined together to produce dispersion without deviation. The angles of the prisms `P_(1) and P_(2)` are selected as `4^(@) and 3^(@)` respectively. If the refractive index of prism `P_(1)` is 1.54, then that of `P_(2)` will be

A

1.48

B

1.58

C

1.62

D

1.72

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