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Physics

Physics
What type of simple machine is an axe?

The screw
Wedge
Both A & B
Lever

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Physics
Modem is used mostly for ?

Connecting to internet
All listed here
A modern empty memory modules
Mostly for file system

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Physics
The energy that generates wind comes from what source?

Solar radiation
Ocean currents
Anemometers
None of these

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Physics
The force of friction between two surfaces will increase if:

Air gap is created between the two surfaces
The two surfaces are pressed harder
Irregularities on both the surfaces are removed
A layer of lubricant is kept between the two surfaces

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Physics
Thermal expansion of materials arises from

Asymmetry of potential energy curve
Weak bonds
Strong bonds
Thermal vibrations

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Physics
As water is cooled from 4 deg C to 0 deg C, its density

None of these
Increases
Remains same
Decreases

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MORE MCQ ON Physics

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