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PEARSON IIT JEE FOUNDATION-SOUND-TEST YOUR CONCEPTS (VERY SHORTANSWER TYPE QUESTIONS )
- The to and fro motion of an object is called.
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- s^(-1) is the unit of
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- The time taken to perform 45 vibrations is times the time taken for a...
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- If a body vibrates 50 times in a second, then its frequency is
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- Sitar, veena and violin are some instruments.
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- The sounds of frequencies greater than are called ultrasonic sounds.
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- Sound travels much than light in a given medium.
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- In general, the voice of a woman has a than that of a man.
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- The velocity of sound is in air compared to that of water.
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- are used to detect flaws inside a metal.
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- The vibrations of a turning fork are in nature.
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- The frequency of sound waves which can be heard by human is .
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- If the time period of a simple pendulum is 10 seconds, then its freque...
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- A string is stretched over two rigid supports and a weight of 1 kgwt i...
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- The principle of reflection of sound is used
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- The velocity of sound is maximum in -
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- Sound cannot travel in
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- Bats make use of waves.
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- The frequency of vibration with the increase in time period.
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- The order of magnitude of velocity of sound in solids, liquids and gas...
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