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UPSEE Solved Model Paper 5
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© examsnet.com
Question : 56
Total: 150
If a gas expands at constant temperature, it indicates that
kinetic energy of molecules decreases
pressure of the gas increases.
kinetic energy of molecules remains the same
number of the molecules of gas increases
Validate
Solution:
kinetic energy of molecules remains the same . Key Idea: KE = 3/2 RT
KE α T
Hence, the temperature of gas remains constant, hence kinetic energy of molecules remains the same
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