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The resolving power of an astronomical t...

The resolving power of an astronomical telescope is 0.2 seconds. If the central half portion of the objective lens is covered, the resolving power will be

A

`0.1 sec`

B

`0.2 sec`

C

`1.0 sec`

D

`0.6 sec`

Text Solution

Verified by Experts

The correct Answer is:
A

`R.P = (a)/(1.22lambda)`
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