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Physics MCQ Questions with answers

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Learn Physics MCQs [Page 1 of Department 7]

Deepika • 5.41K Points
Tutor III

1) Which of the following is correct?

(A) Soft iron is a hard ferromagnetic material

(B) Alnico is a soft ferromagnetic material

(D) All of the above

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Correct Answer - Option (C)

Explanation:
The ferromagnetic property depends on temperature. At high enough temperature, a ferromagnet becomes a paramagnet. Soft iron is a soft ferromagnetic material and Alnico is a hard ferromagnetic material.

Deepika • 5.41K Points
Tutor III

2) Which of the following statements related to the unit curie (Ci) is correct?

(A) 1 Ci = 3.7 × 10^7

(B) 1 Ci = 2.7 × 10^9

(D) 1 Ci = 3.7 × 10^10

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Correct Answer - Option (D)

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

Ram Sharma • 188.81K Points
Coach

3) Fathom is the unit of

(A) Depth

(B) Distance

(D) Sound

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Correct Answer - Option (A)

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

Ram Sharma • 188.81K Points
Coach

4) Name the instrument used to measure relative humidity

(A) Mercury Thermometer

(B) Hydrometer

(D) Barometer

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Correct Answer - Option (C)

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

Deepika • 5.41K Points
Tutor III

5) The weight of an object will be minimum when it is placed at ?

(A) The center of the Earth

(B) The North Pole

(D) The Equator

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Correct Answer - Option (A)

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

Deepika • 5.41K Points
Tutor III

6) What is unit of Astronomical distance ?

(A) weber

(B) light year

(D) lux

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Correct Answer - Option (B)

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

Ram Sharma • 188.81K Points
Coach

7) Two resistances of 100 ohms and 0 ohm are connected in parallel. The overall resistance will be

(A) Zero ohm

(B) 100 ohms

(D) Any one of the above

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Correct Answer - Option (B)

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

Ram Sharma • 188.81K Points
Coach

8) If the excitation to the field of the D.C motor is constant, then the torque developed in the motor is proportional to

(A) Magnetic flux

(B) Speed

(D) Armature current

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Correct Answer - Option (D)

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

Ram Sharma • 188.81K Points
Coach

9) Which radioactive pollutant has recently drawn to public, due to its occurrence in the building material?

(A) Plutonium

(B) Thorium

(D) Radium

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Correct Answer - Option (B)

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

Ram Sharma • 188.81K Points
Coach

10) Pa (Pascal) is the unit for

(A) Thrust

(B) Conductivity

(D) Frequency

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Correct Answer - Option (C)

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

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