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Two prisms A and B have dispersive power...

Two prisms A and B have dispersive powers of 0.012 and 0.018 respectively. The two prisms are in contact with each other. The prism A produces a mean deviation of `1.2^(@)`, the mean deviation produced by B if the combination is achromatic is

A

`3.6^(@)`

B

`0.8^(@)`

C

`0.4^(@)`

D

`1.8^(@)`

Text Solution

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The correct Answer is:
B
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AAKASH SERIES-GEOMETRICAL OPTICS-LECTURE SHEET (EXERCISE II LEVEL -II (ADVANCED) STRAIGHT OBJECTIVE TYPE QUESTIONS)
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