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Physics

Physics
For an object, the state of rest is considered to be the state of ________ speed.

Zero
Increasing
Decrease
Inverse

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Physics
Velocity of sound in air does not depend on

Humidity of air
Pressure of air
Temperature of air
Density of air

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Physics
On the Kelvin scale, the melting point of ice is

373K
100K
273K
0 K

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Physics
The ordinary and maximum tolerance limit of sound by human being is

65 db to 75 db (decibel)
70 db to 85 db (decibel)
50 db to 70 db (decibel)
60 db to 80 db (decibel)

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Physics
A needle or a pin floats on the surface of water because of

Surface energy
Surface tension
Viscosity
Adhesive force

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

Second law
Fourth law
Third law
First law

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MORE MCQ ON Physics

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