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In optical instruments, ito minimise the...

In optical instruments, ito minimise the effect of dispersion and obtain clear and will defined images ,

A

three prisms are used side by side.

B

achromatic combination of prisms are used.

C

chromatic combination of prisms are used

D

two prisms of different glassses ans same angle of prism is used.

Text Solution

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The correct Answer is:
B
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