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Question

In Young’s double slit experiment, the distance between the slits is 0.2 mm and the distance of the screen from the slits is 2 m. If light of wavelength 500 nm is used, find the number of fringes formed between two points separated by 1 cm on the screen.

A
1
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B
2
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C
3
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D
4
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Solution

The correct option is B 2
y=nβ
Here β=λDd=0.5cm
2 fringes.

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