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Physics

Physics
A micron is equal to

0.0001 mm
0.1 mm
0.01 mm
0.001 mm

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Physics
A single fixed pulley is used to draw water from a well because

Efficiency is 100%
Mechanical advantage is high
Velocity ratio is low
Force is applied in a convenient direction

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Physics
The atmospheric air is held to the Earth by :

Clouds
Rotation of the Earth
Winds
Gravity

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Physics
Vehicles use ________ to see the objects coming from behind.

Concave lens
Convex lens
Convex mirror
Concave mirror

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Physics
The absorption of ink by blotting paper involves:

Siphon action
Diffusion of ink through the blotting
Viscosity of ink
Capillary action phenomenon

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Physics
For a freely falling body, the sum of kinetic energy and potential energy is always

Same
Zero
Unity
Variable

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MORE MCQ ON Physics

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