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Two slits separated by a distance of 1 m...

Two slits separated by a distance of 1 mm are illuminated with light of wavelength `6.0 xx 10^-7 m`. The interference fringes observed on a screen placed 1 m from the slits. The distance between third dark fringe and the fifth bright fringe is equal to :

A

0.60 mm

B

1.50 mm

C

3.00 mm

D

4.50 mm.

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