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Physics MCQ Questions with answers

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Learn Physics MCQs [Page 1 of Department 6]

I

Indresh • 9.61K Points
Tutor III

1) Woollen cloth protects the body from cold because

(A) It is a good conductor of heat
(B) It is a poor conductor of heat
(C) External heat rays enter into the body through the woollen cloth
(D) It reflects heat
Correct Answer - Option (B)

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

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I

Indresh • 9.61K Points
Tutor III

2) Hot water is poured simultaneously in four metallic tumblers painted outside with different paints. After some time the water will be found to have cooled most in the tumbler painted.

(A) Rough white
(B) Rough black
(C) Shining white
(D) Shining black
Correct Answer - Option (B)

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

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I

Indresh • 9.61K Points
Tutor III

3) Hot water is poured simultaneously in four metallic tumblers painted outside with different points. After some time the water will be found to have cooled most in the tumbler painted.

(A) Rough white
(B) Rough black
(C) Shining white
(D) Shining black
Correct Answer - Option (B)

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

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I

Indresh • 9.61K Points
Tutor III

4) Which of the following criterion is used for any metal to be used as a cooking material ?

(A) More specific heat
(B) More thermal conductivity
(C) Less thermal conductivity
(D) Less electrical conductivity
Correct Answer - Option (C)

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

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I

Indresh • 9.61K Points
Tutor III

5) Heat from the sun reaches earth by the process of

(A) Conduction
(B) Convection
(C) Radiation
(D) All of the above
Correct Answer - Option (C)

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

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I

Indresh • 9.61K Points
Tutor III

7) What type of heat transfer is boiling water?

(A) Radiation
(B) Conduction
(C) Convection
(D) None of the above
Correct Answer - Option (C)

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

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C

Chandrakant • 6.73K Points
Tutor III

8) The boiling point of water

(A) depends on atmospheric pressure
(B) depends on the material of the container
(C) is always 100°C
(D) depends on relative humidity
Correct Answer - Option (A)

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

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C

Chandrakant • 6.73K Points
Tutor III

9) Which of the following are Einstein's discoveries?

(A) Photoelectric effect and X-rays
(B) Radioactivity and the theory of relativity
(C) Photoelectric effect and the theory of relativity
(D) Radioactivity and X-rays
Correct Answer - Option (C)

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

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C

Chandrakant • 6.73K Points
Tutor III

10) A string stretched between two fixed points has a fundamental frequency of 100 Hz. The frequency of the mode of vibration depicted in the figure is

(A) 200 Hz
(B) 300 Hz
(C) 67 Hz
(D) 12 Hz
Correct Answer - Option (B)

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

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