Question # 1

Normal human body temperature is :

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15°C

98.6°C

37°C

37°F

Central heating systems in buildings operate by

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Conduction

Radiation

Convection

Condensation

On Uranus the daytime temperature is ___________

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216 °C

-216 °C

-200 °C

-100 °C

If the mass of body is doubled while keeping the force contant, then acceleration will be:

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Doubled

One half

4 times

One fourth

The energy stored in coal is

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Heat Energy

Kinetic energy

Chemical energy

Nuclear energy

Newton per meter square is a unit of:

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Pressure

Stress

Both A and B

Force

The quantity of heat absorbed by the body depends upon:

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Colour of surface

Nature of surface

Shape of surface

Both a & b

If the velocity of moving body in circle is doubled, then its centripetal force is

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Double

Half

Four times

Remain

The kinetic energy of a body of mass 2 kg is 25J, its speed is

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5 ms-1

12.5 ms-1

25 ms-1

50 ms-1

Significant figures in 0.0010 are.

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One

Two

Three

Four

If 1N is force and body is displaced to 1m than work is :

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2 J

1 J

3 J

4 J

Everybody in the universe attracts other body with a force which is

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Directly proportional to the product of their masses

Inversely proportional to the product of their masses

Directly proportional to the distance between them

Directly proportional to the square of the distance between them

False ceiling is done to

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Lower the height of ceiling

Keep the roof clean

Cool the room

Insulate the ceiling

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