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In a biprism experiment , the slit is il...

In a biprism experiment , the slit is illuminated by a light of wavelength of 5000 `overset (@)(A)` . The distance between the slit and eyepiece is 1 m . If the distance between the two virtual sources is 0.25 cm , then distance between fifth bright band on one side and the sixth dark band on the other sideof the central bright band will be

A

1.1 mm

B

2.2 mm

C

2.1 mm

D

3.1 mm

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