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Grade 12Mechanics

Plz give solution to this:

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Profile image of Harish R
14 Years agoGrade 12
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1 Answer

Profile image of Sanjeev Malik IIT BHU
ApprovedApproved Tutor Answer14 Years ago

ans is A.

 

if the wavelength is X in air then in any other medium effective wavelength is X/u where u is refractive index.

can be prved by putting frequency of light onstant.

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