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 Physics Questions

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Q:

Steel is more elastic than Rubber. True or False?

A) TRUE B) FALSE
Answer & Explanation Answer: A) TRUE

Explanation:

Elasticity is measured as ratio of stress to strain. For a given amount of stress, the strain produced in the steel is comparatively smaller than the strain produced in the rubber.


 


Therefore, with the help of Young's modulus, it can be concluded that steel has greater elasticity than rubber.

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Subject: Physics
Exam Prep: Bank Exams

1 2029
Q:

Bandwidth is the

A) a measure of the width of a range of frequencies B) the rate of data transfer
C) both a & b D) None of the above
 
Answer & Explanation Answer: C) both a & b

Explanation:
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Exam Prep: AIEEE , Bank Exams , CAT , GATE
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5 2023
Q:

In science a push or pull of an object is called ________.

A) Pick B) Lift
C) Force D) Shut
 
Answer & Explanation Answer: C) Force

Explanation:
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0 2022
Q:

What is the resistance (in ohm) of an electrical component if a current of 0.5 A passes through it on application of 20 V of potential difference across it?

A) 10 B) 20
C) 80 D) 40
 
Answer & Explanation Answer: D) 40

Explanation:
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1 2020
Q:

Intensity of any wave is proportional to which of the following?

A) amplitude B) Square of amplitude
C) Square root of amplitude D) Cube of amplitude
 
Answer & Explanation Answer: B) Square of amplitude

Explanation:
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2 2018
Q:

If objects appear enlarged and inverted in a rear view mirror, then which type of mirror is used?

A) Concave B) Convex
C) Cylindrical D) Plane
 
Answer & Explanation Answer: A) Concave

Explanation:
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3 2017
Q:

Current in a conductor can be increased by

A) increasing the voltage across it. B) reducing its resistance.
C) both A and B D) none of the above
 
Answer & Explanation Answer: C) both A and B

Explanation:
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4 2017
Q:

Electrical Arcing occurs when

Answer

An electric arc is a visible plasma discharge between two electrodes that is caused by electrical current ionizing gasses in the air. Electric arcs occur in nature in the form of lightning.

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Subject: Physics Exam Prep: AIEEE , Bank Exams , GATE
Job Role: Analyst , Bank Clerk , Bank PO

0 2011