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NEET 2020 Physics: Thermodynamics - 03 Quiz

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Question 1

Study the given statements:
i.
ii.
iii. The internal energy of the system remains constant;
iv. The internal energy of the system changes;
Which of the above statements represent the adiabatic change?

Question 2

Given a reversible heat engine converts 1/4 of the heat into work. Find the temperature of the source when the efficiency doubles on reducing the temperature of the sink by 40oC

Question 3

In the given curve,

Which of the following statements is true?

Question 4

Which of the following statement(s) is/are incorrect:

Question 5

Which of the following is an isothermal process?
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