Exam 5: Temperature and Heat
Exam 1: The Study of Motion151 Questions
Exam 2: Newtons Laws169 Questions
Exam 3: Energy and Conservation Laws140 Questions
Exam 4: Physics of Matter140 Questions
Exam 5: Temperature and Heat163 Questions
Exam 6: Waves and Sound159 Questions
Exam 7: Electricity155 Questions
Exam 8: Electromagnetism and Em Waves153 Questions
Exam 9: Optics154 Questions
Exam 10: Atomic Physics143 Questions
Exam 11: Nuclear Physics151 Questions
Exam 12: Special Relativity and Elementary Particles162 Questions
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Match each item with the correct statement below.
-this is how we receive heat from the Sun
(Multiple Choice)
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-main mechanism of heat transfer in a solid
(Multiple Choice)
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The warmth you feel from the Sun at the beach is an example of
(Multiple Choice)
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Two ways that the internal energy of a substance can be increased are __________ and __________.
(Short Answer)
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At 96°F the saturation density of air is 0.04 kg/m3.If the weather report says the relative humidity is 90% when the temperature is 96°F,the humidity is __________.
(Short Answer)
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The coefficient of linear expansion of ordinary glass is three times that of Pyrex glass.An ordinary glass rod and a Pyrex glass rod of equal lengths at room temperature are dropped into boiling water.The change in length of the ordinary glass rod will be ___________ the change in length of the Pyrex glass rod.
(Multiple Choice)
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A bimetallic strip is usable in a thermometer because of its heat capacity.
(True/False)
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-main mechanism of heat transfer in a solid
(Multiple Choice)
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-at temperatures below their boiling point,liquids gradually go into the gas phase through a process called
(Multiple Choice)
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-depends on the average kinetic energy of atoms and molecules in a substance
(Multiple Choice)
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On the Kelvin scale the temperature is proportional to the average kinetic energy of the atoms or molecules whose temperature is being measured.
(True/False)
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A key is placed in a hot oven and warmed to 100°C.As a result
(Multiple Choice)
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-the maximum possible humidity
(Multiple Choice)
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What is the maximum efficiency of a heat engine operating between 293 Kelvins and 273 Kelvins,the temperatures at the surface and several hundred meters below the surface,respectively,of the ocean?
(Short Answer)
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As the air cools at night the relative humidity usually __________.
(Short Answer)
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In a steam engine,steam at 140°C in a turbine does work on an external system,and the steam leaves the turbine at 100°C.The efficiency of the steam engine is 5%.The relevant physical principle is
(Multiple Choice)
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The air inside a bicycle tire pump has 60 joules of work done on it as 20 joules of heat is conducted away from it.What is the change in internal energy of the air?
(Short Answer)
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