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PHYSICS

Physics
What measures Air pressure?

Barkometer
Spectrometer
Bolometer
Barometer

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

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

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Physics
Friction can be reduced by changing from

Static to Dynamic
Sliding to Rolling
Dynamic to Static
Rolling to Sliding

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Physics
It is more difficult to walk on ice than on a concrete road because

There is very little friction between the ice and feet pressing it
Ice is soft when compared to concrete
None of these
There is more friction between the ice and feer

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Physics
A ball rolling along the ground gradually slows down and finally comes to rest is due to ________

Magnetic force
Electrostatic force
Muscular force
Friction

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