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When a tuning fork is struck, it produces sound waves of wavelength 114
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<blockquote data-quote="JohnFlyn" data-source="post: 2544372" data-attributes="member: 868523"><p>cm which travel at 343 m/s through air? When a tuning fork is struck, it produces sound waves of wavelength 114 cm which travel at 343 m/s through air?</p><p>In general, the speed of sound depends on the state and temperature of the medium such that:</p><p>Choose one answer.</p><p>a. speed in liquid > speed in solid > speed in hot gas > speed in cold gas</p><p>b. speed in solid > speed in liquid > speed in cold gas > speed in hot gas</p><p>c. speed in solid > speed in liquid > speed in hot gas > speed in cold gas</p><p>d. speed in cold gas > speed in hot gas > speed in liquid > speed in solid</p><p></p><p></p><p>If the frequency of the sound waves detected by the detector is exactly equal to the frequency of the sound waves emitted by the source, then we can conclude that:</p><p>Choose one answer.</p><p>a. The detector and source are at rest.</p><p>b. The detector and source are moving with the same velocity.</p><p>c. The detector and source are moving with opposite velocities.</p><p>d. The detector and source are either at rest or moving with same velocity.</p><p></p><p>When the frequency of a force applied to a system matches the natural frequency of vibration of the system, it starts vibrating with a:</p><p>Choose one answer.</p><p>a. large wavelength</p><p>b. large amplitude</p><p>c. high frequency</p><p>d. large time-period</p><p></p><p></p><p></p><p>Waves that require a material medium are called:</p><p>Choose one answer.</p><p>a. transverse waves</p><p>b. longitudinal waves</p><p>c. electromagnetic waves</p><p>d. mechanical waves</p></blockquote><p></p>
[QUOTE="JohnFlyn, post: 2544372, member: 868523"] cm which travel at 343 m/s through air? When a tuning fork is struck, it produces sound waves of wavelength 114 cm which travel at 343 m/s through air? In general, the speed of sound depends on the state and temperature of the medium such that: Choose one answer. a. speed in liquid > speed in solid > speed in hot gas > speed in cold gas b. speed in solid > speed in liquid > speed in cold gas > speed in hot gas c. speed in solid > speed in liquid > speed in hot gas > speed in cold gas d. speed in cold gas > speed in hot gas > speed in liquid > speed in solid If the frequency of the sound waves detected by the detector is exactly equal to the frequency of the sound waves emitted by the source, then we can conclude that: Choose one answer. a. The detector and source are at rest. b. The detector and source are moving with the same velocity. c. The detector and source are moving with opposite velocities. d. The detector and source are either at rest or moving with same velocity. When the frequency of a force applied to a system matches the natural frequency of vibration of the system, it starts vibrating with a: Choose one answer. a. large wavelength b. large amplitude c. high frequency d. large time-period Waves that require a material medium are called: Choose one answer. a. transverse waves b. longitudinal waves c. electromagnetic waves d. mechanical waves [/QUOTE]
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