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R G PUBLICATION-SOUND-EXAMPLE
- What is a tone?
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- What is a note?
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- What is the velocity of sound in air at 0^@C.
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- What is the minimum time interval between the original sound and the r...
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- What is infrasound?
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- What is ultra sound?
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- What is supersonioc speed?
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- Name two object that move with supersonic speed.
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- What is echocardiography?
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- Establish the relation between time period and frequency.
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- Establish the relation v = upsilon lambda, where v rarr speed of wave ...
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- What is hearing aid? How does hearing aid work?
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- Explain the process of 'Ultrasonography'.
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- A sound wave has a frequancy 20 MHz. Find out the time period.
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- A radio signal has wave length 300 m and speed 3 xx 10^8 m//s. Find ou...
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- A man standing on the seashore has seen that the no of waves that hit ...
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- A source oscillates 50 times in 5 s. If the distance between compressi...
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- A persion clapped his hands in front of a wall and heard echo later 1s...
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- A tuning fork oscillates 350 times in second. What is the distance tra...
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- A man’stationed between two hills fires a gun. He hears the first echo...
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