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Two slits, 4mm apart, are illuminated by...

Two slits, 4mm apart, are illuminated by a light of wavelength 6000Å. What will be the fringe width on a screen placed 2m from the slits ?

A

0.12 mm

B

0.3 mm

C

3.0 mm

D

4.0 mm

Text Solution

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The correct Answer is:
B
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