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A slit whose width is 5.0 cm is irradiat...

A slit whose width is 5.0 cm is irradiated with microwaves of wavelength 2 cm. The angular spread of the central maximum ? (Assume that the incidence is along the normal to the plane of the slit) is

A

`2 sin^(-1) (2//5)`

B

`sin^(-1)(2//5)`

C

`cos^(-1)(4//5)`

D

`cos^(-1)(2//5)`

Text Solution

Verified by Experts

The correct Answer is:
A
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