Which of the following waves requires a material medium f...
Which of the following waves requires a material medium for its propagation?
Radio waves
Light waves
Sound waves
X-rays
Correct answer is C
- Electromagnetic waves are waves that have no medium to travel whereas mechanical waves need a medium for its transmission.
- sound wave is an example of a mechanical wave. Sound waves are incapable of traveling through a vacuum.
Which of the following physical quantities is correctly paired with it's corresponding S.I unit?...
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Resonance occurs when one vibrating object causes a second object to vibrate at its own natural ...
Which of the following is used to determine the relative density of the acid in a car battery? ...