When light is refracted, which of the following does not change ?

Question

When light is refracted, which of the following does not change ? (A) Wavelength (B) Frequency (C) Velocity (D) Amplitude

Tardigrade Admin · Accepted Answer

While changing medium, only wavelength, speed, amplitude changes because they change with change in length. But, frequency remains constant as frequency is number of cycles per second and time does not change.

Q. When light is refracted, which of the following does not change ?

Wavelength

Frequency

Velocity

Amplitude

While changing medium, only wavelength, speed, amplitude changes because they change with change in length. But, frequency remains constant as frequency is number of cycles per second and time does not change.