Physics Questions

Q:

Which property of metals enables production of metallic foils?

A) Malleability B) Ductility
C) Sonority D) Conductivity
 
Answer & Explanation Answer: A) Malleability

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1 1874
Q:

Washing machines and microwave oven are operated by _______________ embedded inside these gadgets.

A) Satellites B) Electronic Device
C) e-books D) Internet
 
Answer & Explanation Answer: B) Electronic Device

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6 1873
Q:

The value of acceleration due to gravity (g) at a distance of 2R from the surface of earth, where R is the radius of earth is ______.

A) g/3 B) g/4
C) g/9 D) g/2
 
Answer & Explanation Answer: C) g/9

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2 1870
Q:

An object is in static equilibrium when it is _______.

A) at rest B) moving in a circular path
C) moving with uniform velocity D) accelerating at high speed
 
Answer & Explanation Answer: A) at rest

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1 1868
Q:

Why does a cannon recoil after firing ?

A) Conservation of energy B) Backward thrust of gases produced
C) Newton's third law of motion D) Newton's first law of motion
 
Answer & Explanation Answer: C) Newton's third law of motion

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1 1867
Q:

A person does some work of 1,000 J in 2 s. His power will be ......

A) 1000W B) 25W
C) 500W D) 50W
 
Answer & Explanation Answer: C) 500W

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0 1866
Q:

The shortest distance measured from the initial to the final position of an object is known as the _________________.

A) motion B) direction
C) velocity D) displacement
 
Answer & Explanation Answer: D) displacement

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1 1862
Q:

In a _________ the wave particles of the medium vibrate in a direction perpendicular to the direction of wave propagation

A) longitudinal B) rolling
C) transverse D) field
 
Answer & Explanation Answer: C) transverse

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2 1861