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प्रश्न
If the energy in a longitudinal wave travels from south to north, the particles of the medium would be vibrating in _____.
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उत्तर
If the energy in a longitudinal wave travels from south to north, the particles of the medium would be vibrating in both north and south.
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संबंधित प्रश्न
| Column A | Column B |
| (a) Vibrations cause | (1) absorb sound |
| (b) A shriller sound is | (2) second |
| (c) Unit of frequency | (3) sound |
| (d) Unit of time period | (4) of high pitch |
| (e) Curtains | (5) hertz |
To detect the obstacles in their path, bats produce ______.
'Note' is a sound :
Arrange the speed of sound in gases Vg, solids Vs and liquids VLin an ascending order.
Select the correct option:
A part of longitudinal wave in which particles of the medium are farther away than the normal particles is called :
Consider the statement given below and choose the correct option.
Assertion: When lightning strikes, the sound is heard a little after the flash is seen.
Reason: The velocity of light is greater than that of the sound.
Waves created by Earth Quake are Infrasonic.
Match the following
| 1. | Infrasonic | (a) | Compressions |
| 2. | Echo | (b) | 22 kHz |
| 3. | Ultrasonic | (c) | 10 Hz |
| 4. | High-pressure region | (d) | Ultrasonography |
Name three animals which can hear ultrasonic vibrations.
Vibrations in a body produce ______.
