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Young's experiment is performed with lig...

Young's experiment is performed with light of wavelength 6000 Ã… wherein 16 fringes occupy a certain region on the screen. If 24 frings occupy the same region with another light of wavelength `lambda`, then `lambda` is

A

`6000 Å`

B

`4500 Å`

C

`5000 Å`

D

`4000 Å`

Text Solution

Verified by Experts

The correct Answer is:
D
`n_(1)lambda_(1)=n_(2)lambda_(2)`
`lambda_(2)=(n_(1))/(n_(2))lambda_(1)=(16xx6000 Å)/(24)=4000 Å`
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