Question # 1

Evaporation takes place at temperature :

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100°C only

0°C only

35°C Only

At all temperature

The temperature of sun surface is:

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5000°C

4000°C

6000°C

7000°C

In symbols, co-efficient of volume expansion is defined as

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β = ΔT/V∘ΔV

β = ΔV/ΔT

β = ΔV/V∘ΔT

β = ΔT/ΔV

Celsius temperature is converted into Fahrenheit temperature using the formula

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F = 1.8 C + 32

F = 1.8 C - 32

F = 1.4 C + 32

F = 1.4C - 32

In Fahrenheit scale, upper refrence point is:

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32 ^oF

212 ^oF

180 ^oF

100 ^oF

A simple way to know how much a body is hot or cold is

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Our sense of touch

Termometer

Thermostat

Setback state

Melting point is also known as:

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Moiling point

Freezing point

Fusion point

None of these

Which of the follow material has large specific heat?

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Copper

Ice

Water

Mercury

Heat capacity of 5 kg water is.

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2000 JK^-1

2100 JK^-1

21000 JK^-1

210000 JK^-1

Normal human body temperature is

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15oC

37oC

37oF

98.6oC

Water on cooling below 4 ^oC begins to:

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Expand

Contract

Boils

None of these

The device that is used to measure the temperature of a body called

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Thermometer

Acidimeter

Barometer

Clock timer

Clinical thermometer is used by:

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Astronomers

Doctors

Scientist

Chemists

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Physics 9th Class English Medium Unit 8 Online Test MCQs With Answers

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