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Physics

Physics
Magnetic domains normally occur in

Copper
Iron
Silver
All of these

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Physics
What is the fundamental unit of amount of a substance?

Meter
Kelvin
Candela
Mole

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Physics
Let a thin capillary tube be replaced with another tube of insufficient length then, we find water

will overflow
will not rise
change its meniscus
depressed

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Physics
The best material for the core of a transformer is

Soft iron
Mild steel
Stainless steel
Hard steel

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Physics
The working of a rocket is based on the principle of:

Conservation of momentum
Conservation of mass
Conservation of energy
Conservation of angular momentum

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Physics
When a detergent is added to pure water, its surface tension

Decreases
Becomes infinite
Increases
Remains constant

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