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Light of wavelength 5000Å is incident no...

Light of wavelength `5000Å` is incident normally on a slit. First minimum of diffraction pattern is formed at a distance of 5 mm from the central maximum. If slit width is 0.2 mm, then distance between slit and screen will be :

A

1 m

B

1.5 m

C

2.0 m

D

2.5 m

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The correct Answer is:
B
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