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Physics

Physics
The flux commonly used in brazing is

Borax
Resin plus alcohol
Zinc chloride
Ammonium chloride

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Physics
During hot weather, the fan produces a feeling of comfort. This is because

Fan supplies cool air
Conductivity of air increases
Fan cools the air
Our perspiration eva-porates rapidly

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Physics
For a ray of light to suffer total internal reflection it has to pass from :

Air to glass
Water to glass
Air to water
Glass to water

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Physics
Decibel is a term connected with :

Water
Sound
Soil
Air

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Physics
A body of mass 2 kg is thrown upward with initial velocity of 20 m/s. After 2 seconds, its kinetic energy will be : (g = 10 m/s2)

200 J
100 J
0 J
400 J

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Physics
The inability of a body to change its state of rest or uniform motion along a straight line is called its

Momentum
Acceleration
Velocity
Inertia

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MORE MCQ ON Physics

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