A ray of light travelling in air goes into water. The angle of refraction will be:
A. `90^(@)`
B. smaller than the angle of incidence
C. equal to the angle of incidence
D. greater than the angle of incidence.
A. `90^(@)`
B. smaller than the angle of incidence
C. equal to the angle of incidence
D. greater than the angle of incidence.
b) Refraction of light (as it comes out from water into air).