1
NEET 2024 (Re-Examination)
MCQ (Single Correct Answer)
+4
-1

Given below are two statements: One is labelled as Assertion $$\mathbf{A}$$ and the other is labelled as Reason $$\mathbf{R}$$.

Assertion A: Houses made of concrete roofs overlaid with foam keep the room hotter during summer.

Reason R: The layer of foam insulation prohibits heat transfer, as it contains air pockets.

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

A
A is true but R is false.
B
A is false but R is true.
C
Both A and R are true and R is the correct explanation of A.
D
Both A and R true but R is NOT the correct explanation of A.
2
NEET 2024 (Re-Examination)
MCQ (Single Correct Answer)
+4
-1

The equilibrium state of a thermodynamic system is described by

A. Pressure

B. Total heat

C. Temperature

D. Volume

E. Work done

Choose the most appropriate answer from the options given below.

A
A, B and E only
B
B, C and D only
C
A, B and C only
D
A, C and D only
3
NEET 2024 (Re-Examination)
MCQ (Single Correct Answer)
+4
-1

According to the law of equipartition of energy, the number of vibrational modes of a polyatomic gas of constant $$\gamma=\frac{C_p}{C_v}$$ is ($$C_P$$ where $$C_V$$ are the specific heat capacities of the gas at constant pressure and constant volume, respectively):

A
$$\frac{4+3 \gamma}{\gamma-1}$$
B
$$\frac{3+4 \gamma}{\gamma-1}$$
C
$$\frac{4-3 \gamma}{\gamma-1}$$
D
$$\frac{3-4 \gamma}{\gamma-1}$$
4
NEET 2024
MCQ (Single Correct Answer)
+4
-1

A thermodynamic system is taken through the cycle $$abcda$$. The work done by the gas along the path $$b c$$ is:

NEET 2024 Physics - Heat and Thermodynamics Question 5 English

A
Zero
B
30 J
C
$$-$$90 J
D
$$-$$60 J
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