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Physics

Physics
The pressure exerted by a 760 mm column of mercury at 0°C is known as

1 atmosphere
1 bar
1 poise
1 pascal

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Physics
Materials that allow electricity to flow are called

Insulators
Electron flows
Conductors
Stimulators

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Physics
Sound travels at the fastest speed in

air
water
steel
vacuum

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Physics
Magnetic field lines about a current-carrying wire

None of these
Extend radially from the wire
Circle the wire in closed loops
Both of these

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Physics
Two metallic plate of equal thickness and coefficient thermal conductivity K1 and K2 put together face to face. A common plate is constructed. What is equivalent K?

K1k2/k1+k2
None
2k1k2/k1+k2
K1+k2/k1k2

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Physics
Which liquid is the most viscous?

Oil
Water
Diesel
Milk

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MORE MCQ ON Physics

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