Question # 1

Speed of the satellites of GPS around earth is:

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3.87 ms^-1

387 kms^-1

3.87 kms^-1

38.7 kms^-1

Paratrooper while coming down attains a velocity called.

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Variable velocity

Uniform velocity

Average velocity

Terminal velocity

The energy stored in coal is

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Heat energy

Kinetic energy

Chemical energy

Nuclear energy

Einstein mass energy equation is:

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E = mc

E = m2 c

E = mc2

E2 = mc

The SI unit of thermal conductivity is

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Wm K-1

Wm-1K

Wm-1K -1

WmK

The speed geostationary satellite with respect to earth is:

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8.33 kms^-1

3.87 ms^-1

32 ms^-1

Zero

the to and fro motion of a body about its mean positionis called.

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Circular motion

Random motion

Rotatory motion

Vibratory motion

All divers need to wear seat belt because of effect of:

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Inertia

Gravity

Car force

Nil

Transfer of heat by actual movement of molecules form hot place to cold place is called:

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Conduction

Convection

Radiation

None

In which hot liquid can remains hot:

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Glass

Lead

Thermos

Hot pot

The speed of light is equal to:

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3 x 10⁵ ms^-1

3 x 10⁸ms^-1

3 x 10⁹ms^-1

3 x 10²ms^-1

When a hammer raised up its energy will be:

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Mechanical energy

Gravitational potential energy

Chemical energy

Nuclear energy

If there is no change in state of motion, then the body is said be i:

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Rest

Motion

Equilibrium

Rest & motion

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