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Two parallel slits 0.6mm apart are illum...

Two parallel slits `0.6mm` apart are illuminated by light source of wavelength `6000Å`. The distance between two consecutive dark fringe on a screen `1m` away from the slits is

A

(a) `1mm`

B

(b) `0.01mm`

C

(c) `0.1m`

D

(d) `10m`

Text Solution

Verified by Experts

The correct Answer is:
A
Distance between two consecutive
dark fringes `(lambdaD)/(d)=(6000xx10^(-10)xx1)/(0.6xx10^-3)`
`=1xx10^-3m=1mm`
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