1) When light passes from one medium to other, then which of the following may change?
a) Velocity and frequency
b) Frequency and colour
c) Velocity, wavelength and colour
d) Velocity and wavelength
1) When light passes from one medium to other, then which of the following may change?
a) Velocity and frequency
b) Frequency and colour
c) Velocity, wavelength and colour
d) Velocity and wavelength