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MODERN PUBLICATION-SOUND-EXERCISE
- 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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- Bats cannot see then how do they catch their prey.
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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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- How does the sound produced by the vibrating object in a medium reach ...
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- State the characteristics of wave motion.
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- Give some uses of ultrasound.
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- Explain the working of SONAR.
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- Describe the human ear.
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- What is the wavelength corresponding to a freqency of 200 Hz. Given th...
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- Calculate the wavelength of a sound wave whose frequency is 220 Hz and...
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- A person clapped his hands near a cliff and heard the echo after 5 s. ...
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- Find the frequency of a wave whose time-period is 0.001 second?
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- A sound wave creates oscillation in air at a place 1000 times in 100 s...
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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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- A bat hears the echo of its squeak after 0.1 s. How far is the obstacl...
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- Note is a sound
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- A key of a mechanical paino struck gently and then struck again but mu...
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- In SONAR, we use
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- Sound travels in air if
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