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To decrease the manifying power of an as...

To decrease the manifying power of an astronomical telescope _____ .

A

Focal length of objective should be increased

B

Focal length of eyepiece should be decreased

C

Focal length of eyepiece should be increased

D

Focal length of objective should be increased and that of eyepiece should be decreased

Text Solution

Verified by Experts

The correct Answer is:
C
`M = (F)/(t)`
To decrease M, f should be increased
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