Question # 1

Least count of digital stop watch is.

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0.01 sec

0.1 sec

1 sec

10 sec

The force with which earth attracts a body towards its center is equal to its

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Mass

Weight

Charge

Radius

Evaporation takes place from liquid :

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Everywhere

Above surface only

Below surface only

Middle of liquid

Momentum is defined as the product of

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Mass and acceleration

Force and acceleration

Mass and velocity

Force and velocity

Stress is defined as

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Stress = Force/ Area

Stress = Area/Force

Stress = Area/ Volume

Stress = Mass/ Volume

Heat form one of a metal rod a reaches to the other by the process of

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convection

radiation

conduction

both (a) and (b)

The average speed of cheetah is.

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60 kmh^-1

70 kmh^-1

75 kmh^-1

80 kmh^-1

The quantities that are completely decribed by only magnitude are.

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vector

Scalar

Base

Derived

A body possesses if it is capable to do work:

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Energy

Power

Force

All

The formula of y component of force ' F ' is:

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F cos 𝜽

F Sin 𝜽

F tan 𝜽

Tan^-1 𝜽

Hydro meter is used to measure:

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Pressure

Density

Area

Volume

Fossil fuels are usually:

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Carbon di oxide

Hydrogen

Hydrocarbons

Carbon monoxide

The force which complete a body to move in circle is:

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Centripetal force

Centrifugal force

Perpendicular force

Tension

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