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Light of wavelength 6328 Å is incident n...

Light of wavelength 6328 Å is incident normally on a slit of width 0.2 mm. Calculate the angular width of central maximum on a screen distance 9 m?

A

`0.36^(@)`

B

`0.18^(@)`

C

`0.72^(@)`

D

`0.09^(@)`

Text Solution

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The correct Answer is:
A
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ERRORLESS -WAVE OPTICS-SET
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