Electromagnetism
Current Electricity
MCQ (Single Correct Answer)
Moving Charges and Magnetism
MCQ (Single Correct Answer)
Magnetism and Matter
MCQ (Single Correct Answer)
Electromagnetic Waves
MCQ (Single Correct Answer)
Electromagnetic Induction
MCQ (Single Correct Answer)
Alternating Current
MCQ (Single Correct Answer)
Modern Physics
Dual Nature of Radiation
MCQ (Single Correct Answer)
Semiconductor Devices and Logic Gates
MCQ (Single Correct Answer)
Communication Systems
MCQ (Single Correct Answer)
1
MHT CET 2023 14th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

The efficiency of a heat engine is '$$\eta$$' and the coefficient of performance of a refrigerator is '$$\beta$$'. Then

A
$$\eta=\frac{1}{\beta}$$
B
$$\eta=\frac{1}{\beta+1}$$
C
$$\eta \beta=\frac{1}{2}$$
D
$$\eta=\frac{1}{\beta-1}$$
2
MHT CET 2023 13th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

A sample of oxygen gas and a sample of hydrogen gas both have the same mass, same volume and the same pressure. The ratio of their absolute temperature is

A
$$1: 4$$
B
$$4: 1$$
C
$$1: 16$$
D
$$16: 1$$
3
MHT CET 2023 13th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

The internal energy of a monoatomic ideal gas molecule is

A
partly kinetic and partly potential
B
totally kinetic
C
totally potential
D
Neither kinetic nor potential
4
MHT CET 2023 13th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

A gas at pressure $$p_0$$ is contained in a vessel. If the masses of all the molecules are halved and their velocities are doubled, then the resulting pressure would be equal to

A
$$4 p_0$$
B
$$2 p_0$$
C
$$p_0$$
D
$$p_0 / 2$$
Questions Asked from MCQ (Single Correct Answer)
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