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 Physics Questions

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Q:

Contaminated rags are recommended for disposal in landfills.

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

Explanation:
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Subject: Physics
Exam Prep: Bank Exams

2 1983
Q:

For every action, there is an equal and opposite reaction, is Newton's

A) First law B) Second law
C) Third law D) Fourth law
 
Answer & Explanation Answer: C) Third law

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Filed Under: Physics
Exam Prep: CAT , Bank Exams , AIEEE

2 1975
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 1974
Q:

What is impulse equal to?

A) Change in momentum B) Change in force
C) Change in velocity D) Change in acceleration
 
Answer & Explanation Answer: A) Change in momentum

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Filed Under: Physics
Exam Prep: Bank Exams

1 1973
Q:

Instrument for measuring wind velocity is called

A) Coulombmeter B) Anemometer
C) Cyanometer D) Chronometer
 
Answer & Explanation Answer: B) Anemometer

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Filed Under: Physics
Exam Prep: Bank Exams

1 1969
Q:

The path of a projectile is called its ______.

A) Altitude B) Range
C) Trajectory D) Flight
 
Answer & Explanation Answer: C) Trajectory

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Filed Under: Physics
Exam Prep: Bank Exams

0 1968
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

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Filed Under: Physics
Exam Prep: Bank Exams

1 1966
Q:

Which of the following is not true about X­rays?

A) have low penetrating power B) travel with the speed of light
C) Can be reflected or refracted D) can affect photographic plates
 
Answer & Explanation Answer: A) have low penetrating power

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Filed Under: Physics
Exam Prep: Bank Exams

1 1963