Question # 1

A body OF mass 10 kg taken to height of 5m:

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P.E = 500 J

P.E = 50 J

P.E = 5 J

P.E = 5000 J

Liquid pressure at depth h is:

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p/gh

h/pg

pgh

i/pgh

Solar energy is a type of.

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Renewable

Non-renewable

Natural

None

Rolling friction is___________ then sliding friction :

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Greter

Less

Some

Half

Einstein mass energy equation is:

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E= mc²

E= m²c

E = 1/2 mc²

2 mc²

In prefix form, 0.000001 would be expressed as.

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0.1 mm

0.01 mm

0.001 mm

0.0001 mm

How many components are there of a solar heating system?

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2

3

4

5

_____________ easily undo bolt?

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Long spanner

Medium

Short spanner

Every spanner

Moon complete its one revolution around the earth is ___________ DAYS:

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29

27.3

30

21

Which of the follow material has large specific heat?

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Copper

Ice

Water

Mercury

Ship and boats are designed on the principal of

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Charge

Densities

Volume

Floatation

Weight of the body is__________ to the gravity force between body and earth:

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Less than

Greater than

Equal

Constant

During recent years the percentage of __________ increased considerably on earth:

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Carbon dioxide

Nitrogen

Oxygen

Methane

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