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Monochromatic ligth of wavelgth 6,000 ov...

Monochromatic ligth of wavelgth `6,000 overset @A` is used in a Young's double slit experiment.One of the slits is covered by a transparent film of thickness `1.2 xx 10^(-5)` m having refractive index 1.4.How many fringes will shift due to the introduction of the film?

A

remain unshifted

B

shift downwrd by nearly two fringes

C

shift upwards by nearly two frings.

D

shift downwad by ten fringes.

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MODERN PUBLICATION-UNIT TEST -06-EXERCISE
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