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In a biprism experiment, the fringe widt...

In a biprism experiment, the fringe width is 0.4 mm, when the eyepiece is at a distance of 1meter away from the slit. The change in fringe width, if the eyepiece is moved through a distance of 25 cm towards the byprism without changing any other arrangement is

A

0.1mm

B

0.2 mm

C

0.3mm

D

0.4mm

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CHETANA PUBLICATION-Wave Optics-Exercise
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