When a gas in a container expands to twice its volume, with no change in temperature, its density
A) is half.
B) doubles.
C) quadruples.
D) remains the same.
Answer: A
Physics & Space Science
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State Kepler's Second Law of Orbital Motion
What will be an ideal response?
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Tables based on a heliocentric model of the universe which used elliptical orbits for the planets were more accurate than ____________________
Fill in the blank(s) with correct word
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The actual source of wind energy is
A. the daily rotation of the Earth on its axis. B. the tides. C. the lunar cycle. D. solar energy.
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A thin film of soapy water, n = 1.37, is held vertical. Light of wavelength 600 nm is reflected from the film and horizontal dark lines appear. What is the difference in thickness of the soap film from one band to the next?
A. 600 nm B. 438 nm C. 300 nm D. 219 nm E. 900 nm
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