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The angular separation of a 100 cm teles...

The angular separation of a 100 cm telescope for `lamda=5500` Å is approximately equal to

A

`0.14^(@)`

B

`1^(@)`

C

`1^(@)`

D

`0.3^(@)`

Text Solution

Verified by Experts

The correct Answer is:
A
`d theta=(1.22lamda)/(D)=(1.22xx5500xx10^(-10))/(1)`
`=67xx10^(-8)` radian
`=67xx(180xx60xx60)/(3.14)xx10^(-8)sec`
`underset(.)overset(.)(=)0.14` sec.
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