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In telescope, ratio of resolving power d...

In telescope, ratio of resolving power due to light of `lambda. = 4000Å and lambda = 6000Å` is ......

A

`4:5`

B

`3:2`

C

`2:3`

D

`5:4`

Text Solution

Verified by Experts

The correct Answer is:
B
In formula of resolving power of telescope
`=(D)/(1.22 lambda)` D and 1.22 are constant.
`:.` Resolution power `prop (1)/(lambda)`
`:.` Ration `=(lambda_(2))/(lambda_(1))=(6000)/(4000)=(3)/(2)`
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KUMAR PRAKASHAN-WAVE OPTICS-SECTION-D (MULTIPLCE CHOICE QUESTIONS (MCQS)) (MCQS FROM DARPAN BASED ON TEXTBOOK)
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