a ray of light passes from air to galss the angle of incidence is 45°.find the angle of refraction,given refractive index is 1.5?
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sin i/ sin r= 1.5
sin 45/ sin r= 1/√2/sin r
sin r/ √2 =3/2
sin r = 3√2/2
= sin r= 3/√2
r= sin^-1 3/√2
sin 45/ sin r= 1/√2/sin r
sin r/ √2 =3/2
sin r = 3√2/2
= sin r= 3/√2
r= sin^-1 3/√2
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