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In a double slit experiment, the two sli...

In a double slit experiment, the two slits are `1mm` apart and the screen is placed `1m` away. A monochromatic light of wavelength `500nm` is used. What will be the width of each slit for obtaining ten maxima of double slit within the central maxima of single-slit pattern?

A

0.02 mm

B

0.2 mm

C

0.1 mm

D

0.5 mm

Text Solution

Verified by Experts

The correct Answer is:
B
`d = 1mm , D = 1mm`
central width = `2(lambda/a) D`
`10 (lambda D)/(d) = 2 (lambda D)/a`
`implies a = d/5 = 0.2 mm`.
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