As the temperature of a body increases,
a. the body gets brighter
b. the color of the body shifts from red to white
c. the wavelength of the most intense light decreases
d. the frequency of the most intense light increases
e. all the above
[Ques. 2] If the Kelvin temperature of a body is doubled, the wavelength of the most intense light is ____________ the wavelength originally of the most intense light.
a. 1/16th
b. half
c. the same as
d. 2 times
e. 16 times
[Ques. 3] Global warming
a. has not yet been observed
b. has been caused by increasing levels of carbon dioxide in the atmosphere
c. has led to a depletion of the ozone layer in the atmosphere
d. has no serious consequences
[Ques. 4] What's the Big Bang?
a. the creation of the universe
b. microwave radiation from all directions in the sky
c. the Hubble relation
d. a punk rock band
[Ques. 5] AM radio stations have greater range than FM stations because
a. AM is more efficient than FM
b. they have more powerful transmitters
c. their lower frequency radio waves reflect off the ionosphere
d. none of the above
[Ques. 6] The wavelength from an FM station broadcasting at 93.9 megahertz on your radio is
a. 31.3 m
b. 3.13 m
c. 0.313 m
d. 0.0313 m
e. none of the above
[Ques. 7] The type of EM radiation that has wavelength just a bit longer than that of visible light is
a. ultraviolet
b. infrared
c. x ray
d. microwave
e. gamma ray
[Ques. 8] The type of EM radiation that has wavelength just a bit shorter than that of visible light is
a. ultraviolet
b. infrared
c. x ray
d. microwave
e. gamma ray
[Ques. 9] The type of EM radiation emitted when high speed electrons decelerate as they are smashed into a metal target is
a. ultraviolet
b. infrared
c. x ray
d. microwave
e. gamma ray
[Ques. 10] Why would a decrease in the amount of ozone in the atmosphere increase the likelihood of people getting sunburn?
a. Global temperatures would rise
b. More ultraviolet radiation would reach the ground
c. People would be exposed to more infrared radiation
d. The premise is incorrect. Ozone and sunburn are not related
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