Thermal Properties of Matter Test

Result

Thermal Properties of Matter Test - 4

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Question 1
1 / -0

In which mode of heat transfer no medium is required?

A
conduction

B
convection

C
radiation

D
none of the three

Solution

Heat transfer through radiation takes place in form of electromagnetic waves.
Question 2
1 / -0

In which mode of heat transfer is there material movement?

A
convection

B
conduction

C
radiation

D
none of the three

Solution

Convection is the heat transfer due to bulk movement of molecules within fluids.
Question 3
1 / -0

The average kinetic energy of the molecules in a substance is most closely associated with

A
temperature

B
heat

C
expansion

D
absolute zero
Question 4
1 / -0

Which of the following is true of the Celsius and Kelvin temperature scales?

A
A Kelvin degree is smaller in size than a Celsius degree.

B
A Kelvin degree and a Celsius degree are equivalent in size.

C
A Kelvin degree is larger in size than a Celsius degree.

D
Both the Celsius and Kelvin temperature scales have negative values.

Solution

A Kelvin degree and a Celsius degree means change in temperature.
Question 5
1 / -0

In general, when a solid is heated, it

A
expands proportionally to the change in temperature

B
contracts inversely proportionally to the change in temperature

C
expands inversely proportionally to the change in temperature

D
contracts proportionally to the change in temperature