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A cylinder of gas is at room temperature (20°C). The air conditioner breaks down, and the temperature rises to 40°C. What is the new pressure of the gas relative to its initial pressure?
A quantity of gas in a piston cylinder has a volume of 0.500 m3 and a pressure of 200 Pa. The piston compresses the gas to 0.150 m3 in an isothermal (constant-temperature) pr
Are radio waves sound waves? Explain. What is the range of wavelengths of visible light? How do these wavelengths compare to those of audible sound? With what speed do elect
What is a rarefaction? Which is longer, the wavelength of infrasound or the wavelength of ultrasound?What is the chief physical property that describes (a) pitch, (b) loudness
Can humans hear ultrasound? Give some examples of applications of ultrasound. Why does the music coming from a band marching in a spread-out formation on a football field so
Does doubling the decibels of a sound intensity level double the intensity? Explain. Why is lightning seen before thunder is heard? Under what circumstances would sound have
How is the wavelength of sound affected when (a) a sound source moves toward a stationary observer, and (b) the observer moves away from a stationary sound source? What is t
What determines the pitch or frequency of a string on a violin or a guitar? How does a musician get a variety of notes from one string? Explain why the crack of a whip is a
An electromagnetic wave has a wavelength of 6.00 x 10-6 m. In what region of the electromagnetic spectrum is this radiation? How far does light travel in one year? [This dis
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