Question # 1

Plasma exist in _______________

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Earth

Satellite

Moon

Sun

................. can be add algebraically.

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Scalar quantities

Vector

All

None

____________ from sun are major source of energy on earth.

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Light

Radiation

Both a & b

None of these

Einstein's mass-energy equation relation is:

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E =1/2 mc²

E =mc²

E =m²c

E = 2 mc²

Fossils fuels are usually compound of:

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Carbon

Hydrogen

Carbon & Hydrogen

None of these

Which of the following affects evaporation?

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Temperature

Surface area of the liquid

Wind

All of the above

In which of the following state molecules don not leave their position?

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Solid

Liquid

Gas

Plasma

The value of 'g' is greater at:

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Moon

Hills

Sea leavel

Desert

When the stress crosses the elastic limit, then the body will :

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Break

Permanently deformed

Plasticity

None

One horse power is equal to:

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746 W

749 W

764 W

794 W

When a body is lifted through height h, the work done on it appears in the form of its

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Kinetic energy

Potential eneger

Elastic potential energy

Geothermal energy

Unit of density is:

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Kg/m3

kg/m2

kg/m

kg

The energy released int he form of nuclear radiations in addition to heat and light is called:

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Mechanical energy

Gravitational energy

Chemical energy

Nuclear energy

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