McqMate
| Q. |
When a light wave is reflected from a mirror, there is a change in its – |
| A. | frequency |
| B. | amplitude |
| C. | wavelength |
| D. | velocity |
| Answer» B. amplitude | |
|
Explanation: 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. |
|
View all MCQs in
PhysicsNo comments yet