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Physics

Physics
After removing two electrons from helium atom it become?

X rays
Gama particle
UV rays
Alpha particle

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Physics
The density of the liquid when heated

May increase of decrease depending on pressure
Does not change
Decreases
Increases

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Physics
Find the resistance (in mega) of a wire of length 20m, cross sectional area 1 cm2 and made of a material of resistivity 200m.

40
2000
4000
80

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Physics
The force that keeps a body in a circular motion called

The centrifugual force
All listed here
The centripetal force
The frictional force

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Physics
The sharpness of a television image is termed as its

Colour
Graphics
Clarity
Resolution

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Physics
What is the range of Strong Nuclear force?

Very short Subnuclear size
Infinite
None
Very short Nuclear size

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