# physics

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A ray of light passes from air into water. The incident angle is 30o. Find the index of refraction of water if the angle of refraction is 22o.
Ans. 1.333

• physics -

N1SinQ1=N2SinQ2
1*Sin30=N2Sin(22)
Sin(30)/sin(22)=N2
1.33=N2

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