science
Grade6
Easy
Question
The speed of sound in the air is ____.
- 2000
- 330
- 1260
- 1553
Hint:
The speed of sound in the air is 330m/s.
The correct answer is: 330
- The speed of sound will be more in solids and less in liquids.
- The speed of sound in the air is 330m/s
Related Questions to study
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The wavelength of infrasound is _________.
- Less
- More
- Random
- None
The wavelength of infrasound is _________.
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- Less
- More
- Random
- None
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The particles in the liquid are __________ packed.
- Closely
- Moderately
- Loosely
- None
The particles in the liquid are __________ packed.
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- Closely
- Moderately
- Loosely
- None
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Sound travels faster in ___________.
- Solids
- Liquids
- Gases
- None
Sound travels faster in ___________.
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- Solids
- Liquids
- Gases
- None
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Sounds of 15 Hz frequency are called _______.
- Ultrasound
- Infrasound
- Audible sound
- None
Sounds of 15 Hz frequency are called _______.
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- Ultrasound
- Infrasound
- Audible sound
- None
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If a steel plate is vibrated, it will produce_______.
- Force
- Pressure
- Gravity
- Sound
If a steel plate is vibrated, it will produce_______.
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- Force
- Pressure
- Gravity
- Sound
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20 Hz to 20000 Hz is called _______.
- Ultrasound
- Infrasound
- Audible sound
- None
20 Hz to 20000 Hz is called _______.
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- Ultrasound
- Infrasound
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- None
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If particles are loosely packed, then the sound propagates ______.
- Slow
- Fast
- Moderate
- None
If particles are loosely packed, then the sound propagates ______.
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- Slow
- Fast
- Moderate
- None
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If particles are closely packed, then the sound propagates ______.
- Slow
- Fast
- Moderate
- None
If particles are closely packed, then the sound propagates ______.
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- Slow
- Fast
- Moderate
- None
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Speed of sound in air is _______.
- 100
- 1000
- 150
- 330
Speed of sound in air is _______.
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- 100
- 1000
- 150
- 330
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If the frequency increases, the wavelength _________.
- Increases
- Decrease
- Constant
- All of the above
If the frequency increases, the wavelength _________.
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- Increases
- Decrease
- Constant
- All of the above
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Vibrations ____________ after sometime.
- Increases
- Decrease
- Constant
- All of the above
Vibrations ____________ after sometime.
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- Increases
- Decrease
- Constant
- All of the above
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Audible sound range is 0 Hz to 10 Hz.
- True
- False
Audible sound range is 0 Hz to 10 Hz.
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- True
- False
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Sound with 25000 HHz frequency is called _______.
- Ultrasound
- Infrasound
- Audible sound
- None
Sound with 25000 HHz frequency is called _______.
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- Ultrasound
- Infrasound
- Audible sound
- None
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Sound travels slower in _______.
- Solids
- Liquids
- Gases
- None
Sound travels slower in _______.
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- Solids
- Liquids
- Gases
- None
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The speed of sound in liquid is _________.
- 1500
- 1290
- 1300
- 1450
The speed of sound in liquid is _________.
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- 1500
- 1290
- 1300
- 1450