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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

` 305 xx 10 ^( -9) ` radian

B

` 457.5 xx 10 ^( -9) ` radian

C

` 152.5 xx 10 ^( -9) ` radian

D

` 610 xx 10 ^( -9) ` radian

Text Solution

Verified by Experts

Limit of resolution ` = 1.22 (lamda )/(D)`
` = (1.22 xx 500 xx 10 ^( -9))/( 200 xx 10 ^( -2)) = 305 xx 10 ^( -9 ) ` rad.
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