The velocities of light in air and glass are 3.0 x10(^8)ms(^{-1}) and 1.8 (times )10(^8) ms(^{-1}) respectively. Calculate the sine of the angle of incidence that will produce an angle of refraction of 30° for a ray of light incident on glass.
-
A.
1.2 -
B.
1.0 -
C.
0.8 -
D.
0.6 -
E.
0.3