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# College Physics Reasoning and Relationships

Physics & Astronomy

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## Quiz 12 : Waves

The wave-related quantity algebraically equivalent to 1/f is:
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B

A wave is described by y = 10 sin (4.0t - 6.0x). If the equation is in SI units with the units suppressed, what is its frequency?
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D

Bats can detect small objects such as insects that are of a size approximately that of one wavelength. If bats emit a chirp at a frequency of 50 kHz, and the speed of sound waves in air is 330 m/s, what is the smallest size insect they can detect?
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D

In SI units, which of the following equations represents a wave of amplitude A with frequency 500 Hz and wavelength 1.60 m?
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A wave is described by y = 10 sin (4.0t - 6.0x). If the equation is in SI units with the units suppressed, what is the wavelength of this wave?
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Which of the following media cannot support longitudinal waves?
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Which of the following is an example of a longitudinal wave?
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A wave on a string has a wavelength of 0.90 m at a frequency of 600 Hz. If a new wave at a frequency of 300 Hz is established in this same string under the same tension, what is the new wavelength?
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A wave is described by y = 10 sin (4.0t - 6.0x). If the equation is in SI units with the units suppressed, what is its speed?
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As a gust of wind blows across a field of grain, a wave can be seen to move across the field as the tops of the plants sway back and forth. This wave is a:
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The wavelength of a traveling wave can be calculated if one knows the:
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For a wave on the ocean, the amplitude is:
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If the frequency of a traveling wave train is increased by a factor of four in a medium where the speed is constant, which of the following is the result?
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A wave produced by a simple harmonic driving force is called a _____ wave.
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Waves propagate at 4.0 m/s along a stretched string. The end of the string is vibrated up and down once every 3.0 s. What is the wavelength of the waves that travel along the string?
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A traveling wave train has wavelength 1.0 m and speed 20 m/s. Find the wave frequency.
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Sound waves of a certain frequency in air having a wavelength of 1.9 m will have what wavelength in water? Take the speed of sound in air to be 340 m/s and in water to be 1490 m/s.
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If a radio wave has speed 3.00 108 m/s and frequency 99.7 MHz, what is its wavelength?
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A musical tone, sounded on a piano, has a frequency of 820 Hz and a wavelength in air of 0.400 m. What is the wave speed?
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In SI units, a wave is represented by . What is the time required for a single wavelength to pass a fixed point by this wave?
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