A light wave is incident normally over a...

A light wave is incident normally over a slit of width `24xx10^-5cm`. The angular position of second dark fringe from the central maxima is `30^@`. What is the wavelength of light?

A

6000 Å

B

5000 Å

C

3000 Å

D

1500 Å

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The correct Answer is:

A

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