As monochromatic light passes from air to glass and back to air,changes are observed in its
A)wavelength,frequency,and speed.
B)wavelength and frequency.
C)wavelength and speed.
D)frequency and speed.
E)None of the above choices are correct.

Question

Quizplus · Accepted Answer

As monochromatic light passes from air to glass and back to air, its wavelength changes due to the change in the refractive index of the medium. However, the frequency remains constant as it is determined by the source of the light. The speed of light changes as it travels from one medium to another due to the difference in refractive indices, but it does not change within each medium. Therefore, the correct choice is (C) wavelength and speed.

As Monochromatic Light Passes from Air to Glass and Back