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The ratio of resolving power of an optic...

The ratio of resolving power of an optical microscope for two wavelength `lambda_(1)=4000Å` and `lambda_(2)=6000Å` is:

A

`9:4`

B

`3:2`

C

`16:81`

D

`8:27`

Text Solution

Verified by Experts

The correct Answer is:
B
R.P. (microscope) `= (D)/(1.22 lambda)`
R.P. (microscope) `prop (1)/(lambda)`
`lambda_(1) = 4000 Å, lambda = 6000Å`
`(R P_(1))/(R P_(2)) = (6000 Å)/(4000 Å) = (3)/(2)`
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