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A thin prism P1 of angle 4^0 and refrac...

A thin prism `P_1` of angle `4^0` and refractive index 1.54 is combined with another thin prism `P_2` of refractive index 1.72 to produce dispersion without deviation.The angle of prism `P_2` is

A

4°

B

5.33

C

2.6°

D

3°

Text Solution

Verified by Experts

The correct Answer is:
D
`(mu_(1)-1)A_(1)=(mu_(2)-1)A_(2)`
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Knowledge Check

  • A thin prism P of refracting angle 3^(@) and refractive index . 1.5 is combined with another thin prism Q of refractive index 1.6 to produce dispersion without deviation. Then the angle of prism Q is

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