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Calculate the limit of resolution of a t...

Calculate the limit of resolution of a telescope objective having a diameter of `200cm` , if it has detect light of wavelength `500nm` coming from a star.

A

` 610 xx 0 ^(-9)` radian

B

`152.5 xx 10^(-9)` radian

C

`457 . 5 10^(-9)` radian

D

`305 xx 10 ^(-9)` radian

Text Solution

Verified by Experts

The correct Answer is:
D
The limit of resolution `= (1.22 lambda)/(a) = (1.22 xx 500 nm)/(2m)`
`= 305 xx 10 ^(-9) ` radian
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