44. Which of the following has the highest frequency45. Which of the following has the lowest frequency46. If you double the absolute temperature of an object, the wavelength of the emitted light47. Which kind of light has the longest wavelength49. As an object gets hotter and hotter, the color of its glow will change from50. Radio waves and x-rays have the51. If you double the absolute temperature, the total radiationa. Is reduced to halfb. Doublesc. Increases by 452. Most of the energy of an ordinary tungsten-filament lightbulb is emitted in the colora. Ultravioletb. Greenc. red53. Heat radiation is also called54. A tungsten light bulb has 100 watts printed on it. About much power is actually emitted as visible light55. Which color star would be the hottest56. Sunlight is brightest in which colora. UVb. red57. Which of the following exposes a person to the kind of radiation that can cause cancer?58. Because of their warmth, humans emit primarilya. Sonic radiation59. If you sleep under a tree, you won't get wet from morning dew. That's because the treea. Absorbs starlightsb. Keeps air from rising60. Dew forms when the ground coolsa. By emitting UV62. The ozone layer is created by and absorbs (choose all that are correct)64. A few years ago, a certain kind of spray can was banned. These were the cans that used65. Multispectral refers toa. UV, IR, and visible66. The name NMR has been changed toa. CAT67. Which of the following about the ozone layer is not truea. The location of the ozone layer is the tropopauseb. The ozone layer causes thunderstorms to spread laternallyc. Ozone is destroyed by chlorine (e.g, from Freon and other CFCs)68. The clouds in thunderstorms rise until they reacha. The carbon dioxide layerb. The CFC layerc. The top of the atmosphere69. The original name for the microwave oven wasa. Convection oven70. Microwaves use radiation with a wavelengtha. About one micron71. The microwaves in a microwave oven mostly heata. Carbonb. air72. MRI maps the distribution of which element to produce an imagea. Iodineb. Carbonc. calcium73. UV light (choose all that are correct)74. Which of the following is best for seeing the calcium in bones75. A black light is designed to emit76. A positron is77. Sunburn is usually caused by78. Which of the following uses antimattera. CAT scanb. MRI79. To image the hydrogen in the body, usea. PET80. Which is the cause for "windburn"a. Cold from the windb. Friction from the wind81. Remote control of a TV is usually done usinga. UV83. Infrared radiation can (choose all that apply)84. Cancer is most likely to be caused bya. Infrared radiationb. Microwave radiation85. The advertising slogan "whiter than white" means that the materiala. Emits IR86. To make clothes appear extra clean, manufacturers applya. Infrared radiationb. Electron beamc. Ultraviolet radiation87. Which of the following is a typical energy for an x-raya. 1 eVb. 1000 eV88. In total darkness, you can see people if you have a camera that is sensitive toa. Ultraviolet radiation89. Cell phones emit91. Bats navigate in cave by using92. The phosphor of a fluorescent lightbulb turns which if these into visible lighta. X-raysb. Infrared light93. "Cool roofs"a. Must be white in the visible94. The best kind of radiation to purify water isa. Visibleb. IR95. Which of the following are electromagnetic waves (choose all that are appropriate)97. Which of the following is an advanced method that uses x-rays?a. MRIb. PET98. Higher carbon dioxide levels than we have now were last seen abouta. 600 years agob. 2000 years agoc. 13,000 years ago99. The country that produces the most carbon dioxide each year isa. United Statesb. Russia100. The country that produces the most carbon dioxide per person every year isa. United Statesb. Russiac. China101. The greenhouse effect currently warms the Earth by approximatelya. 1 degree Fb. 2 degrees Fc. 4 degrees F102. Which fossil produces the most CO (subscript 2),per pound, when burneda. Oilb. Natural gas103. Converting coal to oil is achieved witha. Pebble bed reactors104. Carbon dioxide in the atmosphere has increased over the past 100 years bya. 0.6%b. 6%105. Ice in Antarctica isa. Melting, as expected from global warming predictionsb. Increasing, as expected from global warming predictionsc. Melting, contradicting global warming predictions106. A treaty that was signed by the United States but not ratified by the Senate isa. IPCCb. CIGSc. SEGS107. According to the text, wind power isa. A possibility for the distant future, but not practical until the price drops108. Clean Coala. Is an oxymoron (self-contradicting word), sine coal makes more CO2 than any other fossil fuelb. Refers to coal that has been converted to gasolinec. Refers to coal that has had its carbon removed109. In France, nuclear power produces what percentage of the electricitya. 2%b. 20%c. 37%110. In the United States, nuclear power produces what percentage of the electricitya. Less than 1%b. 3%111. The organization that studies climate change is112. Which of these years had the warmest climatea. 2008b. 2005c. 2001113. If the Unites States reduce CO2 emissions to those suggested by the Kyoto treaty, and the developing nations continued to increase theirs at the current (allowed) rate, then global warming would be delayed by about114. The greenhouse effect involves atmospheric emission of115. To be affordable without subsidy or carbon credits, the cost of a billion-watt solar plant must not be much more thana. $100 million116. The average temperature of the Earth is now abouta. 42 degrees117. Which country produces the most greenhouse gas emission per GDP?118. A key feature of the Kyoto treaty is that ita. Required CO2 reductions for Chinab. Did not require reductions for Japanc. Reduced CO2 but ignored other greenhouse gases such as methane119. Cooling in the last big ice age, which ended about 12,000 BC, was approximatelya. 2 degrees Fb. 4 degrees F120. Cooling during the Little Ice Age was approximately121. Which of the following is not a major greenhouse gasa. Water vaporb. Carbon dioxidec. methane122. The least expensive form of carbon abatement (putting less CO2 into the atmosphere) isa. Nuclear powerb. Solar powerc. Wind power123. Thanks to humans, the carbon dioxide in the atmosphere hasa. Decreased by 35%Test 3Light1. An indication that light is a wave is a. that it has dark bands in the different patternb. that it passes through glassc. that it reflects off surfacesd. its high
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