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Physics MCQ Questions with answers

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Learn Physics MCQs [Page 1 of Department 20]

R

Ram Sharma • 188.81K Points
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1) Kepler's law of planetary motion states that the square of the time period is proportional to the

(A) cube of the semi-major axis
(B) semi-major axis
(C) square of the semi-major axis
(D) 4th power of the semi-major axis
Correct Answer - Option (A)

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

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R

Ram Sharma • 188.81K Points
Coach

2) If a body moves with a constant speed in a circle

(A) its velocity remains constant
(B) no work is done on it
(C) no force acts on it
(D) no acceleration is produced in it
Correct Answer - Option (A)

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

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R

Ram Sharma • 188.81K Points
Coach

3) A man wearing spectacles, when working with a microscope

(A) Cannot see anything through the microscope
(B) Should keep on wearing spectacles
(C) Should take off his spectacles
(D) May work with or without spectacles
Correct Answer - Option (C)

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

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R

Ram Sharma • 188.81K Points
Coach

6) We feel cool when we sit near the fan, this is as

(A) fan cools surrounding air.
(B) air vapourises the sweat on our body.
(C) we feel cool when air touches the body.
(D) fan gives cool air.
Correct Answer - Option (B)

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

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R

Ram Sharma • 188.81K Points
Coach

7) The rice is cooked more quickly in a pressure cooker as

(A) water boils at a higher temperature under pressure.
(B) less quantity of water is used.
(C) it is covered.
(D) None of these
Correct Answer - Option (A)

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

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R

Ram Sharma • 188.81K Points
Coach

8) A star seems twinkling in the sky as of

(A) reflection of light by atmosphere
(B) refraction of light by atmosphere
(C) diffraction of light by atmosphere
(D) scattering of light by atmosphere
Correct Answer - Option (B)

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

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R

Ram Sharma • 188.81K Points
Coach

9) Which of the following one among the following is not an electromagnetic wave -

(A) Cathode Ray
(B) X-Ray
(C) R-Ray
(D) Infrared Ray
Correct Answer - Option (A)

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

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R

Ram Sharma • 188.81K Points
Coach

10) The following particles move with same kinetic energy. Which of the following of them has max. momentum

(A) Electron
(B) Deutron
(C) Proton
(D) Alpha Particle
Correct Answer - Option (D)

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

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