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The steam point and the ice point of a mercury thermometer are marked as 80° and 10°. At what temperature on the centigrade scale, the reading of this thermometer will be 59°?

Important Questions on Thermal Properties of Matter

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Show that the volume thermal expansion coefficient for an ideal gas at constant pressure is 1T.
EASY
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Suppose a liquid in a container is heated at the top rather than at the bottom. What is the main process by which the rest of the liquid becomes hot?
HARD
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A hot body placed in air is cooled according to Newton's law of cooling, the rate of decrease of temperature being k times the temperature difference from the surroundings. Starting from t=0, find the time in which the body will lose half the maximum temperature it can lose.
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The readings of a bath on Celsius and Fahrenheit thermometers are in the ratio 2: 5. The temperature of the bath is
EASY
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A graph is plotted by taking pressure along y-axis and centigrade temperature along x-axis for an ideal gas at constant volume. x intercept of the graph is
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A hole is drilled in a copper sheet. The diameter of hole is 4.24 cm at 27.0°C. Diameter of the hole when it is heated to 35°C is
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A circular metallic disc of radius R has a small circular cavity of radius r as shown in figure. On heating the system

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A seconds pendulum clock has a steel wire. The clock shows correct time at 25°C. How much time does the clock lose or gain, in one week, when the temperature is increased to 35°C ?  αsteel =1.2×10-5 C-1