Internal Energy NEET Questions

Physics - Thermodynamics

Internal Energy MCQ Questions


7.
Which of the following is a state function?

NEET - 2016

A.
Work
B.
Heat
C.
Internal energy
D.
None of these
😑 View Answer Rough Work Error
ANSWER :
C. Internal energy
8.
The internal energy of a system is a function of:
A.
Heat only
B.
Work only
C.
Both heat and work
D.
Neither heat nor work
😑 View Answer Rough Work Error
ANSWER :
C. Both heat and work
9.
For a monoatomic ideal gas, the internal energy is proportional to:
A.
Pressure
B.
Volume
C.
Temperature
D.
Density
😑 View Answer Rough Work Error
ANSWER :
C. Temperature
10.
The first law of thermodynamics states that

NEET - 2018

A.
Heat supplied = Work done
B.
Heat supplied = Work done + Internal energy change
C.
Work done = Internal energy change
D.
None of these
😑 View Answer Rough Work Error
ANSWER :
B. Heat supplied = Work done + Internal energy change
11.
Which of the following statements is true regarding internal energy?
A.
It is always positive
B.
It is a path function
C.
It is independent of the process path
D.
It depends on the external surroundings
😑 View Answer Rough Work Error
ANSWER :
C. It is independent of the process path
12.
The internal energy of a system increases when:
A.
Heat is added to it
B.
Work is done on it
C.
Pressure is increased
D.
Volume is increased
😑 View Answer Rough Work Error
ANSWER :
A. Heat is added to it