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When an ideal gas expands isothermally, its internal energy

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Important Questions on Thermodynamics

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11th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART I : CLASS 11>Chapter 19 - Thermodynamics>EXERCISE>Q 7
Decrease of internal energy of an ideal gas is equal to the work done by the system. This is possible
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11th West Bengal Board
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A Text Book of PHYSICS PART I : CLASS 11>Chapter 19 - Thermodynamics>EXERCISE>Q 8
When an ideal di-atomic gas is heated at constant pressure, Find the fraction of the heat energy which increases the internal energy of this gas is
 
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A Text Book of PHYSICS PART I : CLASS 11>Chapter 19 - Thermodynamics>EXERCISE>Q 9
Find the coefficient of volume expansion of the gas, when an ideal gas is expanding such that PT2=constant.
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11th West Bengal Board
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A Text Book of PHYSICS PART I : CLASS 11>Chapter 19 - Thermodynamics>EXERCISE>Q 10
Water falls from a height of 500 m. What is the rise in temperature of water at the bottom if the whole energy is used up in heating water ?
 
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A Text Book of PHYSICS PART I : CLASS 11>Chapter 19 - Thermodynamics>EXERCISE>Q 11
For a gas, the difference between two principal specific heats is 4150 Jkg-1 K-1. What is specific heats of the gas at constant volume if the ratio of specific heats is 1.4 ?
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A Text Book of PHYSICS PART I : CLASS 11>Chapter 19 - Thermodynamics>EXERCISE>Q 12
Here, RCv=0.67. This gas is made up of molecules which are 
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A Text Book of PHYSICS PART I : CLASS 11>Chapter 19 - Thermodynamics>EXERCISE>Q 13
A sample of gas expands from volume V1 to V2. The amount of work done by the gas is greatest, when the expansion is: 
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11th West Bengal Board
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A Text Book of PHYSICS PART I : CLASS 11>Chapter 19 - Thermodynamics>EXERCISE>Q 14
A gas is compressed adiabatically till its temperature is doubled. The ratio of its final volume to its initial volume is