Light of wavelength 6000 A0 is incident on a single slit. The first minimum of the diffraction pattern is obtained at 4 mm from the centre. The screen is at a distance of 2 m from the slit. The slit width will be

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0.3 mm

0.2 mm

0.15 mm

0.1 mm

answer is A.

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Detailed Solution

Minimum condition for diffraction is

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