Q201
Open questionEnergy can neither be generated nor destroyed but it can be transformed into another form, which is called?
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Physics GK · all questionsHeat and Thermodynamics
Heat and Thermodynamics
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Q202
Open questionMetal tea pots have wooden handles because
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Q203
Open questionA glass vessel is filled with water up to the brim and a lid is fixed to it tightly. Then it is kept inside a freezer for hours. What is expected to happen?
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Q204
Open questionWhich one of the following scales of temperature does not have a negative value?
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Q205
Open questionThe working principle of a mercury thermometer is
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Q206
Open questionConvert 372°C into Kelvin scale.
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Q207
Open questionIn a thermodynamic system the heat balance is achieved when two bodies reach at-
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Q208
Open questionThe coefficient of areal expansion of a material is 1.6 × 10-5 K-1. Which one of the following gives the value of coefficient of volume expansion of this material?
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Q209
Open questionThe brightness of a star depends on its
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Q210
Open questionWhich of the following is the methods of heat transfer?
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Q211
Open questionWhich is the branch of physics related to heat?
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Q212
Open questionSpecific heat of gas can have
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Q213
Open questionHeat is not directly related to-
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Q214
Open questionA glass bottle containing water tightly corked breaks when it is kep in freeze, because
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Q215
Open questionWhich one of the following is used as an antifreeze for the automobile engines?
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Q216
Open questionWhat is absolute zero temperature?
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Q217
Open questionWhich of the following resistors is known as a heat sensitive resistor?
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Q218
Open questionWhat is the temperature when a solid object melts at atmospheric pressure to become a liquid?
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Q219
Open questionWhat would be the change in enthalpy (ΔH) for an ideal gas equation if the change in temperature (ΔT) is given-
Cp Heat capacity at constant pressure
Cv Heat capacity at constant volume
Cp Heat capacity at constant pressure
Cv Heat capacity at constant volume
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Q220
Open questionA reversible and an irreversible engines are working between the same limits of temperature. The efficiency of
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