Physics Questions

Q:

Even after sunset, the air near the Earth's surface continue to receive heat due to

A) Insolation B) Terrestrial Radiation
C) Conduction D) Convection
 
Answer & Explanation Answer: B) Terrestrial Radiation

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1 1978
Q:

The washing machine works on the principle of ____________

A) Dialysis B) Diffusion
C) Reverse osmosis D) Centrifugation
 
Answer & Explanation Answer: D) Centrifugation

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Exam Prep: Bank Exams

1 1978
Q:

Which among the following is a vector quantity?

A) Heat B) Angular momentum
C) Work D) Time
 
Answer & Explanation Answer: B) Angular momentum

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0 1972
Q:

When a ball is thrown vertically upwards, which of the following quantities remains constant during its motion?

A) Energy B) Displacement
C) Velocity D) Acceleration
 
Answer & Explanation Answer: A) Energy

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Exam Prep: AIEEE , Bank Exams

2 1971
Q:

The strain produced in a body is directly proportional to the stress applied on it, is called _______.

A) Dollar's law B) Hooke's law
C) Miller's law D) Kepler's law
 
Answer & Explanation Answer: B) Hooke's law

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1 1971
Q:

If electric resistance is to be decreased, then the number of resistances should be connected in ________________

A) Series B) Parallel
C) Mixed arrangement D) None of these
 
Answer & Explanation Answer: B) Parallel

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0 1969
Q:

If the mass of an object is 60 kgs, what will be its weight on the moon? (N=Newton)

A) 60N B) 600N
C) 100N D) 10N
 
Answer & Explanation Answer: C) 100N

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4 1968
Q:

On which principle does the hydraulic lift works?

A) Newton's law B) Pascal's law
C) Archimedes's law D) Joule's law
 
Answer & Explanation Answer: B) Pascal's law

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1 1957