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Physics MCQ Questions with answers

Here Important Physics MCQ questions are added which are frequently asked in almost all the examinations. You can check the correct answer of any question on clicking the show answer button or on option itself. The Correct answer will be displayed below. You can share any question with your friends on whatsapp by tapping whatsapp button.

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Learn Physics MCQs [Page 4 ]

Q) The electric motor converts

(A) Electrical energy into mechanical energy
(B) Mechanical energy into electrical energy
(C) Electrical energy into light energy
(D) None of these
Correct Answer - Option (A)

No Explanation found. Add Explanation and get +2 points.

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Q) If a lift is going up with acceleration, the apparent weight of a body is

(A) More or less the true weight
(B) Equal to the true weight
(C) Less than the true weight
(D) More than the true weight
Correct Answer - Option (D)

No Explanation found. Add Explanation and get +2 points.

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Q) What is the scale used for measuring the intensity of the earthquake?

(A) Metric Scale
(B) Quake Scale
(C) Richter Scale
(D) Epicentre Scale
Correct Answer - Option (C)

No Explanation found. Add Explanation and get +2 points.

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Q) A jet engine works on the principle of conservation of

(A) Linear momentum
(B) Angular momentum
(C) Energy Mass
(D) Mass Velocity
Correct Answer - Option (A)

No Explanation found. Add Explanation and get +2 points.

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Q) Which of the following terms is not used in the field of physics?

(A) Latent heat
(B) Nuclear fusion
(C) Refractive index
(D) Stock value
Correct Answer - Option (D)

No Explanation found. Add Explanation and get +2 points.

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Q) Radiocarbon is produced in the atmosphere as a result of

(A) Collision between fast neutrons and nitrogen nuclei present in the atmosphere.
(B) Action of ultraviolet light from the sun on atmospheric oxygen.
(C) Action of solar radiations particularly cosmic rays on carbon dioxide present in the atmosphere.
(D) Lightning discharge in atmosphere.
Correct Answer - Option (A)

Explanation:
Radiocarbon is produced in the atmosphere as result of collision between fast neutrons and nitrogen nuclei present in the atmosphere.

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Q) It is easier to roll a stone up a sloping road than to lift it vertical upwards because

(A) Work done in rolling is more than in lifting.
(B) Work done in lifting the stone is equal to rolling it.
(C) Work done in both is same but the rate of doing work is less in rolling.
(D) Work done in rolling a stone is less than in lifting it.
Correct Answer - Option (D)

No Explanation found. Add Explanation and get +2 points.

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Q) The absorption of ink by blotting paper involves:

(A) Viscosity of ink
(B) Capillary action phenomenon
(C) Diffusion of ink through the blotting
(D) Siphon action
Correct Answer - Option (B)

Explanation:
The absorption of ink by blotting paper involves capillary action phenomenon because the blotting paper is a thin and a smooth paper which allows a little thicker liquids like ink to absorb.

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Q) Siphon will fail to work if:

(A) The densities of the liquid in the two vessels are equal.
(B) The level of the liquid in the two vessels are at the same height.
(C) Both its limbs are of unequal length.
(D) The temperature of the liquids in the two vessels are the same.
Correct Answer - Option (B)

Explanation:
Siphon is a tube bent to form two legs of unequal length by which a liquid can be transferred from a reservoir and then down to a lower level of it. Siphon will fail to work if, the level of the liquid in the two vessels are at the same height.

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