Advertisements
Advertisements
Question
Which one of the following does not consist of transverse waves?
Options
light emitted by a CFL
TV signals from a satellite
ripples on the surface of a pond
musical notes of an orchestra
Advertisements
Solution
The waves produced by musical instruments are longitudinal in nature.
(d) Musical notes of an orchestra.
APPEARS IN
RELATED QUESTIONS
Why are sound waves called mechanical waves?
List four substances which are good absorbers of sound.
Why are the waves mentioned by you not audible to us?
What is the audible range of frequency for human?
The diagram given below shows a displacement distance graph of a wave. If the velocity of wave is 160 ms-1, calculate:
- wavelength
- frequency
- amplitude.
A person fires a gun and other boy at a distance hears the sound of the fire 2.5 s after seeing the flash. If the speed of sound in air is 330 ms-1, find the distance between the boys.
Match the following.
| 1. | Tuning fork | The point where density of air is maximum |
| 2. | Sound | Maximum displacement from the equilibrium position. |
| 3. | Compressions | The sound whose frequency is greater than 20,000 Hz. |
| 4. | Amplitude | Longitudinal wave. |
| 5. | Ultasonics | Production of sound. |
When a sound wave travels through air, the air particles ______.
Assertion: The sound of thunder is heard a little later than the flash of light.
Reason: The speed of sound is much less than the speed of light.
