Q201
Open questionVelocity of sound in air does not depend on
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Physics GK · all questionsSounds waves and Motion
Sounds waves and Motion
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Q202
Open questionWhen sound waves are propagated through a medium, the physical quantity/quantities transmitted is/are
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Q203
Open questionIn longitudinal waves, particles vibrate in the . . . . . . . . direction of transmission the propagation of the wave.
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Q204
Open questionIn simple harmonic motion, acceleration is at
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Q205
Open questionThe period of a simple pendulum is doubled, when
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Q206
Open questionWhich of the following can be measured with the help of SONAR?
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Q207
Open questionWhich one of the following frequency range is sensitive to human ears?
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Q208
Open questionConsider the following statements.
1. A widely used musical scale called diatomic scale has seven frequencies.
2. The frequency of the tone Sa is 256 Hz and that of Ni is 512 Hz.
Which of the statements given above is/are correct?
1. A widely used musical scale called diatomic scale has seven frequencies.
2. The frequency of the tone Sa is 256 Hz and that of Ni is 512 Hz.
Which of the statements given above is/are correct?
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Q209
Open questionWhich of the following statement(s) about electromagnetic waves, sound waves and water waves is/are correct?
1. They exhibit reflection.
2. They carry energy.
3. They exert pressure.
4. They can travel in vacuum.
1. They exhibit reflection.
2. They carry energy.
3. They exert pressure.
4. They can travel in vacuum.
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Q210
Open questionDecibel is used to measure
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Q211
Open questionAt a given temperature, . . . . . . . . has a highest speed of sound.
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Q212
Open questionTwo astronauts cannot hear each other on the Moon's surface, because
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Q213
Open questionWhich one of the following does a TV remote control unit use to operate a TV set?
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Q214
Open questionWhich of the following is a mechanical wave?
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Q215
Open questionThe distance between node and adjacent anti-node is 30 em. The wavelength is
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Q216
Open questionThe pitch of sound depends on-
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Q217
Open question. . . . . . . . the frequency is expressed in the event repeated per second.
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Q218
Open questionThe compression is made at the place where the air pressure is-
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Q219
Open questionWhich of the following statements are true/false about the speed of sound in a different medium at 25°C?
A. The speed of sound in oxygen gas is 316 m/s.
B. Speed of sound in distilled water is 1498 m/s.
A. The speed of sound in oxygen gas is 316 m/s.
B. Speed of sound in distilled water is 1498 m/s.
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Q220
Open questionIf the temperature increases, the speed of sound:
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