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Physics

Physics
Materials that allow electricity to flow are called

Stimulators
Conductors
Electron flows
Insulators

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Physics
Atmospheric pressure exerted on earth is due to

Gravitational pull
Uneven heating of earth
Rotation of earth
Revolution of earth

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

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Physics
The spring balance works on the principle of ________ .

Boyle's Law
Hooke's Law
Pascal's Law
Bernoulli's principle

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Physics
Vehicle tyres are inflated properly

To ensure smooth running.
To avoid skidding and to minimise friction
To allow the vehicle to take more load.
To go fast and save fuel.

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Physics
Which one of the waves have the longest wavelength

Red
Violet
Green
Blue

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MORE MCQ ON Physics

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