Given below are two statements: Statement I: If heat is add…

Physics NEET Full Syllabus Mock Test 180 Question New Syllabus Mock Test - 8 PCB MCQ (Single Correct)

Given below are two statements:

Statement I: If heat is added to a system, its temperature must increase.

Statement II: If positive work is done by a system in a thermodynamic process, its volume must increase.

In the light of the above statements, choose the correct answer from the options given below:

Statement I is true but Statement II is false

Both Statement I and Statement II are true

Both Statement I and Statement II are false

Statement I is false but Statement II is true

Text Solution

Verified by Experts

The correct answer is:

According to law of thermodynamics

If and is also possible.

Hence , so decreases.

Statement is false

PdV

Therefore volume of system must increase during positive work done by the system.

Statement II is true.

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