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Class XI Physics Thermodynamics Quiz 8
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Question 1
The above p-v diagram represents the thermodynamic cycle of an engine, operating with an ideal monoatomic gas. The amount of heat extracted from the source in a single cycle is
Question 2
One mole of an ideal gas with heat capacity at constant pressure CP undergoes the process T = T 0 + αV where T0 and α are constants and the volume increases from V1 to V2, the amount of heat transferred to the gas is –
Question 3
For the P-V diagram given for an ideal gas,
out of the following which one correctly represents the T-P diagram?
out of the following which one correctly represents the T-P diagram?
Question 4
One mole of an ideal gas is heated from a temperature T to 2T according to the process. Calculate the work done during this process.
Question 5
The ratio of work done by an ideal monoatomic gas to the heat supplied to it in an isobaric process is:
Question 6
When a system is taken from state i to state f along the path i a f, it is found that Q = 50 cal and W=20cal. Along the path i b f, Q = 36 cal. W along path i b f is –
Question 7
The efficiency of a Carnot cycle is . If on reducing the temperature of the sink by 65 °C, the efficiency becomes , find the initial and final temperatures between which the cycle is working.
Question 8
A sample of 100 g of water is slowly heated from 27oC to 87oC. calculate the change of energy in the entropy of the water. Specific heat capacity of water = 4200J/kg-K.
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Dec 3JEE & BITSAT