Question # 1

A force of 10 N is making and angle of 30^owith the horizontal. Its horizontal component will bw:

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4 N

5 N

7 N

8.7 N

Graph is plotted between ........ variable.

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1

2

3

4

Specific heat of water is J kg^-1 K^-1IS:

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4200

4000

1000

2500

Gravitational force is a

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Contacted force

Non-contact force

Electrical force

Charging force

If the velocity of a body becomes double, then its kinetic energy will:

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Remain the same

Become double

Become four time

Become half

Unit of strain is:

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Nm^-2

Nm

N

No unit

_______________ was a pupil of Galileo.

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Einstein

Robert

Al Razi

Torricelli

____________ from sun are major source of energy on earth.

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Light

Radiation

Both a & b

None of these

In measurement 1.032 numbers of significant figure are.

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1

2

3

4

Rate of change of velocity is known as.

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Acceleration

Speed

Velocity

Distance

Which of the following do not effect evaporation?

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Temperature

Wind

Volume

Surface area of liquid

The smallest division taht can be taken by a meter rule is.

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1 cm

1 mm

1 dm

1 km

Metals are good conductor of heat due to

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Free Electrons

Big size of their molecules

Small size of their molecules

Rapid vibrations of their atoms

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