1
AIIMS 2018
MCQ (Single Correct Answer)
+1
-0.33

Assertion In isothermal process, whole of the heat energy supplied to the body is converted into internal energy.

Reason According to the first law of thermodynamics,

$$\Delta Q=\Delta U+\Delta W$$

A
Both Assertion and Reason are correct, Reason is the correct explanation of Assertion
B
Both Assertion and Reason are correct but Reason is not the correct explanation of Assertion
C
Assertion is correct and Reason is incorrect
D
Assertion is incorrect and Reason is correct
2
AIIMS 2018
MCQ (Single Correct Answer)
+1
-0.33

Assertion Internal energy of an ideal gas does not depend on volume of gas.

Reason Internal energy depends only on temperature of gas.

A
Both Assertion and Reason are correct, Reason is the correct explanation of Assertion
B
Both Assertion and Reason are correct but Reason is not the correct explanation of Assertion
C
Assertion is correct and Reason is incorrect
D
Assertion is incorrect and Reason is correct
3
AIIMS 2017
MCQ (Single Correct Answer)
+1
-0.33

The coefficient of cubical expansion of mercury is $$0.00018 /{ }^{\circ} \mathrm{C}$$ and that of brass $$0.00006 /{ }^{\circ} \mathrm{C}$$. If a barometer having a brass scale were to read $$74.5 \mathrm{~cm}$$ at $$30^{\circ} \mathrm{C}$$, find the true barometric height at $$0^{\circ} \mathrm{C}$$. The scale is supposed to be correct at $$15^{\circ} \mathrm{C}$$.

A
$$74.122 \mathrm{~cm}$$
B
$$79.152 \mathrm{~cm}$$
C
$$42.161 \mathrm{~cm}$$
D
$$142.39 \mathrm{~cm}$$
4
AIIMS 2017
MCQ (Single Correct Answer)
+1
-0.33

One mole of an ideal diatomic gas undergoes transition from A to B along a path AB as shown below.

AIIMS 2017 Physics - Heat and Thermodynamics Question 2 English

The change in internal energy of the gas during the transition is

A
20 kJ
B
$$-$$12 kJ
C
$$-$$20 kJ
D
20 J
AIIMS Subjects
EXAM MAP