Physics Questions

Q:

The increasing order of the refractive index of certain materials is (left to right) .......

A) Rocksalt, Benzene, Kerosene, Ice B) Rock Salt, Ice, Benzene, Kerosene
C) Ice, Kerosene, Benzene, Rock Salt D) Kerosene, Ice, Benzene, Rock Salt
 
Answer & Explanation Answer: C) Ice, Kerosene, Benzene, Rock Salt

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1 1934
Q:

If the Distance-Time graph is a straight inclined line then it represents _______________.

A) uniform speed B) non-uniform speed
C) constant displacement   D) non-uniform velocity
 
Answer & Explanation Answer: A) uniform speed

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1 1934
Q:

What is the SI unit of frequency?

A) Newton B) Watt
C) Farad D) Hertz
 
Answer & Explanation Answer: D) Hertz

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2 1933
Q:

What is the SI unit of Torque?

A) newton/meter B) newton meter
C) newton second D) newton/meter squared
 
Answer & Explanation Answer: B) newton meter

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1 1933
Q:

For which of the following game, players must have the knowledge of Pascal's law?

A) Climbing B) Paragliding
C) Rafting D) Scuba diving
 
Answer & Explanation Answer: D) Scuba diving

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3 1931
Q:

The volume of air delivered by the compressor is called

A) Compressor capacity B) Swept volume
C) Free air delivery D) None of these
 
Answer & Explanation Answer: A) Compressor capacity

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0 1930
Q:

The energy that generates wind comes from what source?

A) Anemometers B) Solar radiation
C) Ocean currents D) None of the above
 
Answer & Explanation Answer: B) Solar radiation

Explanation:

Wind is nothing but the form of moving air. It is caused by the uneven heating of the earth's surface by the sun. Hence, the energy that generates wind comes from solar radiation.

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4 1928
Q:

How can we measure specific gravity of milk?

A) Using a viscometer B) Using an odometer
C) Using a hygrometer D) Using a hydrometer
 
Answer & Explanation Answer: D) Using a hydrometer

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2 1928