Question # 1

Heat can be transmitted form one object to the other by

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convection

radiation

conduction

all of these

Moon is a _____________ satellite.

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Natural

Artificial

Not manmade

Nil

A line about which a body rotates is called;

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Axis of rotation

Rigid Body

Center of gracity

None of these

Mathematically density is defined as

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mass/volume

force/area

volume/mass

mass/area

Birds are able to fly on ____________

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Radiations

Thermals

Air

Layers

The slope of speed time graph is called.

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Distance

Displacement

Acceleration

Velocity

Cos 0°=

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0.5

1

0.866

0

The force with which Earth attracts the object towards its center is known as

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Force

Weight

Mass

Gravity

The energy present in our food is:

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Mechanical energy

Gravitational potential energy

Chemical energy

Nuclear energy

Which quantity is scalar?

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Force

Power

Velocity

Torque

Unit of moment arm (L) is:

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Meter

Mole

Newton

Nm

The radius R of Earth is

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6.4 x 106 m

6.4 x 108 m

6.4 x 1010 m

6.4 x 1012 m

Density is quantity:

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Scalar

Vector

Constant

None of these

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