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Plane microwaves are incident on a long ...

Plane microwaves are incident on a long slit having a width of 5.0 cm. The wavelength of the microwaves if the first diffraction minimum is formed at `theta = 30^(@)`

A

2.5 cm

B

5 cm

C

1.25 cm

D

7.5 cm

Text Solution

Verified by Experts

The correct Answer is:
A
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