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A beam of light of wavelength 600 nm fro...

A beam of light of wavelength 600 nm from a distant source falls on a single slit 1 mm wide and the resulting diffraction pattern is observed on a screen 2 m away. The distance between the first dark fringes on either side of the central bright fringe is

A

1.2 mm

B

1.2 cm

C

2.4 cm

D

2.4 mm

Text Solution

Verified by Experts

The correct Answer is:
D
Width of central maxima= `(2lambdaD)/(a)= (2 xx 600 xx 10^(-9) xx 2)/(10^(-3))= 2.4 mm`
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