science
Grade6
Easy
Question
If a steel plate is vibrated, it will produce_______.
- Force
- Pressure
- Gravity
- Sound
Hint:
Vibration produces sound.
The correct answer is: Sound
- Vibration in particles produces sound.
- Sound is a mechanical wave that needs a solid medium to propagate faster
- The sound waves travel as oscillations
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20 Hz to 20000 Hz is called _______.
20 Hz to 20000 Hz is called _______.
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If particles are loosely packed, then the sound propagates ______.
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If particles are closely packed, then the sound propagates ______.
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Speed of sound in air is _______.
Speed of sound in air is _______.
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If the frequency increases, the wavelength _________.
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Vibrations ____________ after sometime.
Vibrations ____________ after sometime.
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Audible sound range is 0 Hz to 10 Hz.
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Sound with 25000 HHz frequency is called _______.
Sound with 25000 HHz frequency is called _______.
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Infrasound has a great frequency.
Infrasound has a great frequency.
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Human ear cannot hear __________.
Human ear cannot hear __________.
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