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Physics

Physics
Coolis tube is used to produce

Micro waves
X-rays
Gama rays
Radio waves

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Physics
A parachute descends slowly whereas a stone dropped from the same height falls rapidly, because

A parachute has a larger surface area and air resistance is more
Special mechanisms are present in parachute
Stone is heavier than parachute
None of these

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Physics
The slope of a velocity-time graph represents

Speed
Distance
Displacement
Acceleration

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Physics
The boiling point of water depends upon the

Mass
Atmospheric pressure
Volume
Density

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Physics
The rice is cooked more quickly in a pressure cooker because

It is covered.
None of these
Less quantity of water is used.
Water boils at a higher temperature under pressure.

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Physics
An object at rest may have

Kinetic energy
Momentum
Velocity
Potential energy

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MORE MCQ ON Physics

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