Physics Questions

Q:

Blood pressure is measured by _______.

A) Barometer B) Sphygmomanometer
C) Hydrometer D) Thermometer
 
Answer & Explanation Answer: B) Sphygmomanometer

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Q:

If a body takes 't' seconds to go once round the circular path of radius 'r', the velocity 'v' is given by

A) v=t2πr B) v=2πrt
C) v=2πr2t D) v=πr2t
 
Answer & Explanation Answer: B) v=2πrt

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Q:

The complete form of 'IC' in electronics is

A) Internal circuit B) Independent circuit
C) Integrated circuit D) Inbuilt circuit
 
Answer & Explanation Answer: C) Integrated circuit

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Q:

Find the kinetic energy (in J) possessed by a body of mass 10 kg moving with a velocity of 5 m/s.

A) 25 B) 125
C) 62.5 D) 50
 
Answer & Explanation Answer: B) 125

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Q:

Terminal velocity ________.

A) first increases before decreasing B) is constant
C) first decreases before increasing D) always keeps on increasing
 
Answer & Explanation Answer: B) is constant

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Q:

While releasing the arrow from a stretched bow, the PE of the bow is converted into?

A) chemical energy B) kinetic energy
C) sound energy D) heat energy
 
Answer & Explanation Answer: B) kinetic energy

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Q:

Addition of suitable impurities into semiconductor, is called

A) Doping B) Mixing
C) Forming D) Diluting
 
Answer & Explanation Answer: A) Doping

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Q:

An earthquake of magnitude _________________ on Richter scale has thousand times more destructive energy than an earthquake of magnitude 4.

 

A) 5 B) 7
C) 6 D) 8
 
Answer & Explanation Answer: C) 6

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