27 meteor showers are a due to the earth passing

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27 Meteor showers are A due to the earth passing through comet debris B formed from ASTRON 0089 at University of Pittsburgh-Pittsburgh Campus

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Chapter 27 / Exercise 8
College Physics
Serway/Vuille
Expert Verified
____ 27. Meteor showers areA) due to the earth passing through comet debris.B) formed in the Earth's magnetic filed.C) only seen during a solar eclipse.D) star trails that are seen in long-exposure photographs of the night sky.
____ 28. By raising and lowering your hands in a periodic way, you generated waves in class. Using a stop watch I estimated that it took 9 seconds for 5 waves to pass me by. What was the frequency of those waves?
____ 29. How does the frequency of light with wavelength 300 nm compare to the frequency of light with wavelength 900 nm?
____ 30. The human eye detects light from 350 nm to 700 nm. How much energy does the bluest light that the eye detects have compared to the reddest light?
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Chapter 27 / Exercise 8
College Physics
Serway/Vuille
Expert Verified
____ 31. Gamma rays travel through space at what speed?A) much faster than the speed of lightB) slower than the speed of light because their wavelength is shorterC) faster than other wavelengths of light because they have the highest energyD) at the speed of light
____ 32. Xrays occupy which position in the electromagnetic spectrum?
____ 33. What is the only difference between visible light and radio waves?
____ 34. Earth's atmosphere is transparent and allows radiation to pass through
____ 35. On the absolute scale of temperature (in degrees kelvin), the zero of the scale corresponds to theA) fusion point of hydrogen.B) melting point of ice.C) mean temperature of space.D) temperature at which all motion ceases.

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