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Waves and Sound
General Studies
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Waves and Sound

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Questions
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Solutions
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Q1Consider the following statements regarding wave motion: In transverse waves, particles of the medium oscillate perpendicular to the direction of propagation. Longitudinal waves can be propagated in solids, liquids, and gases. Sound waves in air are transverse waves. Which of the above statements is/are correct? 2ModerateSolve →Q2Which of the following quantities is the same for all points on a wave front? 13ModerateSolve →Q3Which of these changes will increase the speed of sound in air? Increase in temperature Increase in humidity Decrease in air pressure Select the correct answer: 24EasySolve →Q4The pitch of a sound is determined by which of the following? 35ModerateSolve →Q5Which one of the following is an example of a mechanical wave? 46EasySolve →Q6Which of these changes when a sound wave moves from air into water? 57EasySolve →Q7A wave has a frequency of 500 Hz and a wavelength of 0.68 m. What is its speed? 68ModerateSolve →Q8Which of the following is true for ultrasonic waves? Their frequency is greater than 20 kHz. Bats use ultrasonic waves for echolocation. Humans can hear ultrasonic waves easily. 79ModerateSolve →Q9In an open organ pipe, the fundamental frequency is f. What will be the frequency of the third harmonic? 90EasySolve →Q10Doppler effect explains the change in which property of a sound wave? 101EasySolve →

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