State Snell’s law of refraction

Discussion in 'CBSE Class 10 Physics Help' started by Vinila Choudary, Jan 19, 2012.

  1. Vinila Choudary

    Vinila Choudary Active Member

    According to Snell’s law of refraction, the ratio of sine of angle of incidence (z) in the first medium to the sine of angle of refraction (r) in the second medium is constant called the refractive index (n).

    Mathematically n = sin i /sin r

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