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A fresnel biprism is used to form the in...

A fresnel biprism is used to form the inerference fringes. The distance between the source and the biprisim is 20 cm and that between the biprism and the screen is 80 cm. If A= 6563 A and the separation between the virtual sources is 3.6 mm, then the fringes width (in mm) is.

A

1.82 cm

B

0.182 cm

C

0.0182 cm

D

0.00182 cm

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The correct Answer is:
C
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RESNICK AND HALLIDAY-INTERFERENCE AND DIFFRACTION -PRACTICE QUESTIONS (Single Correct Choice Type)
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