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Monochromatic green light of wavelength ...

Monochromatic green light of wavelength `5 xx 10^(-7) m` illuminates a pair of slits 1 mm apart. The separation of bright lines on the interference pattern formed on a screen 2 m away is

A

0.25 mm

B

0.1 mm

C

1.0 mm

D

0.01 mm

Text Solution

Verified by Experts

The correct Answer is:
C
Fringe width,
`beta= (lambdaD)/(d)= ( 5 xx 10^(-7) xx 2)/(1 xx 10^(-3)) = 10^(-3) = 1mm`
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