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Physics

Physics
A micron is equal to

0.001 mm
0.01 mm
0.0001 mm
0.1 mm

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Physics
A barometer is kept inside a bell jar. Air is slowly pumped out of the jar.

The mercury level starts falling
The mercury level does not change
The mercury level starts rising
The bell jar breaks up

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Physics
A fountain pen works on the principle of

Bernoulli's principle
Viscosity of liquids
Flow of liquids from higher to lower potential
Capillary action

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Physics
A wheel-barrow is an example of

Class II lever
Class III lever
Pulley system
Class I lever

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Physics
The odometer guage indicates

Frequency of the wave
The depth of the ocean
The distance travelled by a vehicle
Pitch length

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Physics
The purpose of choke in a fluorescent lamp is :

To increase the current flow
Ro decrease the voltage momentarily
To decrease the current flow
To decrease the resistance

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