Q1132
When a light wave is reflected from a mirror, there is a change in its
A.
Frequency
B.
Amplitude
AnswerC.
Wavelength
D.
Velocity
Answer: Option B
Solution
Answer: Option B
Solution:
When a light wave is reflected from an object, it changes not only its amplitude but also its phase according to the properties of the object at a particular point. The velocity and momentum are just reversed in another direction.