Question # 1

Gases and liquids are categorized as.

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Liquids

Gases

Fluids

Solids

Water is not a used as a thermometric liquid mainly due to.

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Non linear expansion

Clourless

Low boiling point (100 oC)

A bad conductor of heat

Which state of matter has particles that are highly compressible and can fill any container.

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Plasma

Solid

Gas

Liquid

Heat is the

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The energy in transit

Total kinetic energy of the molecules

The internal energy

Work done by the olecules

One disadvantage of using alcohol in a liquid in glass therometer.

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It wets the glass tube

It has large expansivity

It has low freezign point (-112 oC)

Its expansion is linear

Which of the following is not a form of internal energy.

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Light energy

A kinetic energy of the particles

Potential energy of the particles

Chemical energy of the bonds between the particles

What happpens to the arrangement of particles when a solid is heated and turns into a liquid

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Particles change their state from solid to gas

Particles move farther apart

Particle sbecome more closely packed

Partcles chagne thier state

Particles start vibrating in fixed positions

Which thermometer uses voltage to measrue temperature of a hot body.

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Thermocouple

Resistance thermometer

Liquid in glass thermometer

Gas thermometer

What type of motion is of the molecules in a gas.

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Random motion

Linear motion

Vibratory motion

Rotatory motion

When an ideal gas is expanded keeping its temperatur econsitant, its internal energy

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Increases

Remains the same

Decreases

Cannot be determined

In Kelvin scale, the temperature corresponding to melting point of ice is

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+273

-273

32

Zero

Temperatur eof substance is

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The total amount of heat contained in it

Degree of hotness of coldness

The total nuber of molecules in it

Dependent upon the intermolecular distance

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Physics 9th Class English Medium Unit 7 Online Test MCQs With Answers

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