A ray of light of wavelength 600 {\nm} propagates from air ...

CBSE Class 12 Physics 2023 Outside Delhi Set 2 Paper

Question : 8 of 13

Marks: +1, -0

A ray of light of wavelength 600‌nm propagates from air into a medium. If its wavelength in the medium becomes 400‌nm, the refractive index of the medium is

Solution: 👈: Video Solution

‌‌λ‌medium ‌=λ‌air ‌∕µ
Or, 400‌=‌

600

∴ µ‌=‌

600

400

=1.5

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