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Physics

Physics
Wind and solar energy are examples of

Non renewable
Unsustainable
Renewable
Limited

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Physics
Which one among the following doesn't have any effect on velocity of sound ?

Density
Pressure
Temperature
Humidity

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Physics
The electric current in a metal wire is due to the flow of -

Protons
Holes
Electrons
Ions

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Physics
The speed of sound travel fastest through

None of these
Gas
Solid
Liquid

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Physics
A small gap is left at the joints of rails in a railway track to

Avoid the heating of tracks to high temperature
Keep the rails equidistant
Avoid the tracks being distorted due to seasonal temperature variation
Control the speed of train

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Physics
Radio activity is due to

Stable nucleus
Stable electronic configu-ration
Unstable nucleus
Stable electronic configu-ration

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MORE MCQ ON Physics

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