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A slit 5 cm wide when irradiated by wave...

A slit 5 cm wide when irradiated by waves of wavelength 10 mm results in the angular spread of the central maxima on either side of incident light by about :

A

`1 // 2` radian

B

`1//4` radian

C

3 radian

D

`1//5` radian

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The correct Answer is:
A
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