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The Effect of Path Difference

Two slits sep...

Question

Two slits separated by a distance of 1 mm, are illuminated with red light of wavelength $6.5 \times 10^{- 7}$ m. The interference fringes are observed on a screen placed 1 m from the slits. Find the distance between the third dark fringe and the fifth bright fringe on the same side of the central maxima.

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 D 4
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