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MODERN PUBLICATION-SOUND-EXERCISE
- Define the term time-period of a wave.
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- Give relation among the speed of sound v, wavelength lambda and freque...
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- A sound wave travels at a speed of 339 ms^-1. If its wavelength is 1.5...
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- An echo is returned in 6 seconds. What is the distance of the reflecti...
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- 20 waves pass through a point in 2 seconds. If the distance between on...
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- 20 waves pass through a point in 2 seconds. If the distance between on...
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- Sound is produced when school bell is struck with a hammer. Why?
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- Which characteristic of the sound help you to identify your friend by ...
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- A body is vibrating 6000 times in one miute. If the velocity of sound ...
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- A body is vibrating 6000 times in one miute. If the velocity of sound ...
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- What is echo ranging? State one application of this technique.
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- Differentiate between transverse waves and longitudinal waves.
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- What are importat characterstics of wave? Define them.
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- List three factors which influence water potential.
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- How the bats make use of ultrasonic waves to catch their prey? Explain...
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- Calculate the wavelength of a sound wave whose frequency is 220 Hz and...
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- Why are cannot hear an echo in a small room?
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- A wave moves a distance of 8 m in 0.05 s. Find the velocity of the wav...
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- A wave moves a distance of 8 m in 0.05 s. What is the wavelength of th...
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- State a condition for an echo to be heard.
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