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प्रश्न
Fill in the blank.
________ produces a sensation in ears.
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उत्तर
Sound produces sensation in ears.
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संबंधित प्रश्न
A person is listening to a tone of 500 Hz sitting at a distance of 450 m from the source of the sound. What is the time interval between successive compressions from the source?
On what factor does the loudness of a sound depend ?
What is sound? What type of waves are sound wave in air?
What change do you expect in the characteristics of a musical sound if
(i) Its frequency is increased,
(ii) Its amplitude is increased?
How does the frequency of sound given by a stretched string depend on its
- length,
- tension?
A musical instrument is producing continuous note. This note cannot be heard by a person having a normal hearing range. This note must then be passing through ______.
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. |
Unwanted sounds are called ______.
What is a wave?
Name the waves used for sound ranging. State one reason for their use.
