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A single slit of width 0.1 mm is illumin...

A single slit of width 0.1 mm is illuminated by a parallel beam of light of wavelength 6000Å and diffraction bands are observed on a screen 0.5 m from the slit. The distance of the third dark band from the central bright band is _______ mm.

A

9 mm

B

3 mm

C

4.5 mm

D

1.5 mm

Text Solution

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The correct Answer is:
A
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