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प्रश्न
Write true or false for a given statement.
Female voice is shriller than the male voice.
विकल्प
True
False
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उत्तर
True
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संबंधित प्रश्न
Differentiate between a high pitch sound and a low pitch sound.
How is it possible to recognize a person by his voice without seeing him?
State the general name of the waves in which the particles of the medium vibrate :
(i) in the same direction as wave.
(ii) at right angles to the direction of wave.
What do you mean by the term frequency of a wave? State its S.I. unit.
For which range of frequencies, human ears are most sensitive?
Explain how the principle of echo is used by
The dolphin to locate small fish as its prey.
The sound waves are reflected from an obstacle into the same medium from which they were incident. Which of the following changes?
What is a longitudinal wave?
Two observers are stationed in two boats 4.5 km apart. A sound signal sent by one, under water, reaches the other after 3 seconds. What is the speed of sound in the water?
Which of the following statements are correct?
- Sound is produced by vibrations.
- Sound requires a medium for propagation.
- Light and sound both require a medium for propagation.
- Sound travels slower than light.
