The numerical aperture of an objective o...

The numerical aperture of an objective of a microscope is `0.5` and the wavelenght of light used is `5000Å`. Its limit of resoluton will be

A

`6.1xx10^(7) m`

B

`5xx10^(-7) m`

C

`6.1xx10^(-4) m`

D

`6.1xx10^(4) m`

Text Solution

Verified by Experts

The correct Answer is:

B

Limit of resolution `=(lamda)/(2musintheta)`
`=(5xx10^(-7))/(2xx0.5)=5xx10^(-7)m`

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