Question # 1

Room are heated using gas heaters by:

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Conduction only

Convection and radiation

Radiation only

Convection only

In which of the following state molecules do not leave their position?

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Solid

Liquid

Gas

Plasma

F = Kx is mathematical form of which law:

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Law of gravity

Hooke's Law

Einstein's theory

It is just relation

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

S.I unit of specific heat is:

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Jkg^-1 K^-1

J^-1kg^-1K^-1

JkgK

Jkg^-1K

If a body does work at the rate of 1 Js^-1then its power will be:

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KW

1 MW

1 W

None of these

In which of the following state molecules don not leave their position?

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Solid

Liquid

Gas

Plasma

Heat capacity of 5 kg water is.

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2000 JK^-1

2100 JK^-1

21000 JK^-1

210000 JK^-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

Both metals and non-metals transfer:

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Electricity

Heat

Both A and B

None of these

Those objects that conduct electricity are:

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Conductors

Insulators

Semi conductOrs

None of these

Water freezes at .

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0^o F

32 ^oF

-273 K

0 K

The least count of vernier callipers is.

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.01 mm

0.1 mm

.001 mm

.01 m

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