Heat stored in water vapour is
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Physics GK · all questionsHeat and Thermodynamics
Heat and Thermodynamics
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The statement that 'heat cannot flow by itself from a body at a lower temperature to a body at a higher temperature', is known as
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A Kelvin thermometer and a Fahrenheit thermometer both give the same reading for a certain sample. What would be the corresponding reading in a Celsius thermometer?
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A black body can absorb radiations of
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Which one of the following statements is not correct?
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In cold countries, alcohol is preferred to mercury as a thermo-metric liquid because
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In which of the following conditions wet clothes will dry earliest?
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Which one of the following has the highest value of specific heat?
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Rate of evaporation increases with
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Which temperature can water exist in both liquid and solid conditions?
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A fan produces feeling of comfort during hot weather, because
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A thermometer is used to measure
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Water is used in hot water bags because it
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A metal plate with a circular hole at the centre is heated. What will happen to the area of the hole?
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To convert temperature from Celsius to Kelvin scale, you must:
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Decrease in which of the following factors leads to an increase in the rate of evaporation?
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Water boils at a lower temperature on the hills because
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Which of the following is the example of ideal black body?
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Let the average temperatures in Centigrade (C) and Fahrenheit (F) be and . If and are related to then and have the relation
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On a cold day when the room temperature is 15°C, the metallic cap of a pen becomes much colder than its plastic body, though both are at the same temperature of 15°C, because
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