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The diameter of an objective of a telesc...

The diameter of an objective of a telescope, which can just resolve two stars situated at angular displacement of `10^(-4)` degee, should be `(lambda = 5000 Å)`

A

`35mm`

B

`35cm`

C

`35m`

D

`3.5cm`

Text Solution

Verified by Experts

The correct Answer is:
B

`theta = (1.22lambda)/(a)`
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