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Biprism experiment is conducted with a w...

Biprism experiment is conducted with a wavelength of `5000Å`. The distance between the virtual sources is 0.2 mm and the micrometer eyepiece is at a distance of 100 cm from the slits. The distance between the consecutive bright and dark between the consecutive bright and dark band is

A

1.25 mm

B

2.5 mm

C

3.5 mm

D

0.25 mm

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