A ray of light travelling in air goes into water. The angel of refraction will be :
a) 90°
b) Smaller than the angel of incidence
c) Equal to the angel of incidence
d) Greater than the angel of incidence
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A ray of light travelling in air goes into water. The angel of refraction will be :
a) 90°
b) Smaller than the angel of incidence
c) Equal to the angel of incidence
d) Greater than the angel of incidence
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