Question # 1

S.I unit of specific heat is:

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Jkg^-1 K^-1

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

JkgK

Jkg^-1K

What will be the value of β for a solid for which α has a value of 2 x 10^-5 C^-1

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2 x 10^-5 K^-1

6 x 10^-5 K^-1

8 x 10^-15 K^-1

8 x 10^-5K^-1

From following in which device thermostat is used:

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Electroscope

Electric Bell

Electric Iron

Radio

The formula of conversion of Celsius into Kelvin is:

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Tk = 273 - C^o

Tk = 273 + C^o

F = 1.8 + 32

All of these

The formula of heat capacity is:

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mc

mc𝜟𝜽

mc𝜟Q/𝜟T

None of these

In how many division Fahrenheit scale is divided?

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100

273

180

50

In ___________ (CFC) was found reacting with ozone.

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1920s

1970s

1950s

1960s

Evaporation takes place at temperature :

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100°C only

0°C only

35°C Only

At all temperature

Bimetallic strip works on the principle of

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expansion of metals

contraction of metals

both (A) and (B)

unequal expansion of metals

Water starts boiling at:

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80 °C

100 °C

90 °C

101 °C

Degree of hotness or coldness measures the body:

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Heat

Temperature

Energy

Thermal

Melting point is also known as:

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Moiling point

Freezing point

Fusion point

None of these

When a substance is changed from its solid state to liquid state by adding heat, the process is called

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Melting

Fusion

Freezing

A and B both

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

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