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Physics MCQ Questions with answers

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Learn Physics MCQs [Page 1 of Department 19]

J

Jitendra Singh • 7.47K Points
Tutor III

1) The rate of change of linear momentum of a body falling freely under gravity is equal to it's ____ ?

(A) Kinetic Energy
(B) Weight
(C) Potential Energy
(D) Impulse
Correct Answer - Option (B)

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

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J

Jitendra Singh • 7.47K Points
Tutor III

2) If the velocity of a body is doubled its kinetic energy ________________.

(A) is also doubled
(B) becomes half
(C) becomes 1/4 th
(D) become 4 times
Correct Answer - Option (D)

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

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J

Jitendra Singh • 7.47K Points
Tutor III

3) Mirage is an example of

(A) Reflection of light & Refraction of light
(B) Dispersion of light
(C) Total Internal Reflection
(D) Refraction of light & Total Internal Reflection of light
Correct Answer - Option (D)

Explanation:
A Mirage is a naturally occurring optical phenomenon in which light rays bend to produce a displaced image of distant objects or the sky.

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J

Jitendra Singh • 7.47K Points
Tutor III

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

(A) may be more or less than true weight
(B) more than the true weight
(C) less than the true weight
(D) equal to the true weight
Correct Answer - Option (B)

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

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J

Jitendra Singh • 7.47K Points
Tutor III

5) Ultrasonic waves are used for stirring liquid solutions because they

(A) do not produce noise during the operation
(B) are easy to produce
(C) can produce perfectly homogeneous solutions
(D) do not produce chemical reactions in the solution
Correct Answer - Option (C)

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

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J

Jitendra Singh • 7.47K Points
Tutor III

6) Which of the following statements is correct?

(A) Two or more resistors are said to be connected in series if different current flows through them.
(B) Two or more resistors are said to be connected in series if the same current flows through them.
(C) Two or more resistors are said to be connected in parallel if the same current flows through them.
(D) Two or more resistors are said to be connected in parallel if different current flows through them.
Correct Answer - Option (B)

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

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J

Jitendra Singh • 7.47K Points
Tutor III

7) A device G.M counter is used for the measurement of which of the following?

(A) Speed of air
(B) Mass number
(C) Radioactivity
(D) Valence
Correct Answer - Option (C)

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

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R

Ram Sharma • 178.08K Points
Coach

8) A wire of resistance R is cut into 'n' equal parts. These parts are then attached in parallel. The equivalent resistance of the combination will be

(A) n R
(B) nR
(C) R n
(D) R n 2
Correct Answer - Option (D)

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

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R

Ram Sharma • 178.08K Points
Coach

9) Pasteurisation of milk means-

(A) heating of milk to above 72°C
(B) heating of milk to above 62°C
(C) cooling of milk to about 10°C
(D) cooling of milk to about 62°C
Correct Answer - Option (B)

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

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