Question # 1

Wood, cork, cotton, wool, rubber are the eamples of:

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Conductor

Thermal conductor

Insulator

both a & b

If the weight body is greater then tension then body will.

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Move upward

move downward

not move

None

Value of g increases with the:

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Increase in mass of the body

Increases in altitude

decrease the altitude

None of the above

In kelvin scale, lower reference point is:

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273 K

373 K

180 K

100 K

Normal human body temperature is:

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15 ^oC

37^oC

37^oF

98,6 ^oC

If the applied force is 'F' and its moment arm is 'r' then torque is defined as

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τ = rF

τ = r2F

τ = r + F

τ = 2rF

Bimetal strip is made up of two different metal:

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Copper & iron

Brass & Iron

Brass & Nickel

Copper & Nickel

How many components are there of a solar heating system?

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2

3

4

5

For balancing the beam balance, pointer must be at.

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Extreme position

Zero

The right side

The left side

Kinetic energy of the molecules depends on its:

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Temperature

Surface are

Density

Volume

The energy stored in coal is:

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Heat energy

Kinetic energy

Chemical enegy

Nuclear energy

The force exerted perpendicularly on unit of area of an object is called:& nbsp

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strain

young's modulus

pressure

buoyant force

What type of conversion is done candle burning?

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Chemical __ ;light

Chemical __ heat

Both a & b

None of above

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