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If a substance is heated or cooled, the change in mass of that substance is

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Important Questions on Thermal Physics

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10th Tamil Nadu Board
IMPORTANT
Science Crash Course (Based on Revised Syllabus-2023)>Chapter 3 - Thermal Physics>Exercise>Q 5
There are four iron rods R1,R2,R3 and R4 of the same dimensions. The temperature of R1 is raised to 500℃, that of R2 to 250℃, that of R3 to 1000℃ and that of R4 to 800℃. Which rod will have the maximum linear expansion?
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10th Tamil Nadu Board
IMPORTANT
Science Crash Course (Based on Revised Syllabus-2023)>Chapter 3 - Thermal Physics>Exercise>Q 6
If you apply equal amount of heat to a solid, liquid and gas individually, which of the following will have more expansion? 
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10th Tamil Nadu Board
IMPORTANT
Science Crash Course (Based on Revised Syllabus-2023)>Chapter 3 - Thermal Physics>Exercise>Q 7
The density of a liquid of coefficient of cubical expansion γ is ρ at 0 °C. When the liquid is heated to a temperature T, the change in density will be
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10th Tamil Nadu Board
IMPORTANT
Science Crash Course (Based on Revised Syllabus-2023)>Chapter 3 - Thermal Physics>Exercise>Q 8
The liquid that expands the minimum on heating is
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10th Tamil Nadu Board
IMPORTANT
Science Crash Course (Based on Revised Syllabus-2023)>Chapter 3 - Thermal Physics>Exercise>Q 9
Pressure remaining the same, the volume of a given mass of an ideal gas increases for every degree centigrade rise in temperature by definite fraction of its volume at
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10th Tamil Nadu Board
IMPORTANT
Science Crash Course (Based on Revised Syllabus-2023)>Chapter 3 - Thermal Physics>Exercise>Q 10
500 mL of nitrogen at   27°C is cooled to  −5°C at the same pressure. The new volume becomes
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10th Tamil Nadu Board
IMPORTANT
Science Crash Course (Based on Revised Syllabus-2023)>Chapter 3 - Thermal Physics>Exercise>Q 11
If 4 moles of an ideal gas at 300 K occupies volume of 89.6 L, then pressure of the gas will be
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10th Tamil Nadu Board
IMPORTANT
Science Crash Course (Based on Revised Syllabus-2023)>Chapter 3 - Thermal Physics>Exercise>Q 12
A vessel containing 1 mole of O2 gas (molar mass 32 g ) at a temperature T. The pressure of the gas is P. An identical vessel containing one mole of He gas (molar mass 4 g ) at temperature 2T has pressure of: