Physics
Grade-8
Easy
Question
The distance covered by a sound wave in a unit time is called ____.
- The propagation of sound
- The maintenance of sound
- The maintenance of sound
- The speed of sound
Hint:
The distance covered by a sound wave in a unit of time is called the speed of sound.
The correct answer is: The speed of sound
- The speed of the sound wave is determined by the density of the medium through which it travels.
- The sound wave covers a particular distance in a unit of time inside the media.
- The speed of sound can be calculated by the traveled distance.
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The loudness of a sound decreases as we move away from a source of the sound. This is because _____.
The loudness of a sound decreases as we move away from a source of the sound. This is because _____.
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The loudness of sound I is ____ to the loudness of sound II.
The loudness of sound I is ____ to the loudness of sound II.
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