Thermal Properties of Matter Test

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Thermal Properties of Matter Test - 1

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Weekly Quiz Competition

Question 1
1 / -0

Animal and plant life in lakes and ponds are not destroyed because

A
freezing takes place at the bottom first

B
water expands on heating at all temperatures

C
freezing takes place at the top first and bottom layers are not frozen as temperature in bottom layers is more than zero

D
water contracts on cooling at all temperatures

Solution

Explanation:

As and when water is cooled down to its freezing point the thickness T of the ice layer increases. The increase in thickness of ice decreases the rate of cooling of water and thus freezing process slows down.
Question 2
1 / -0

expansion of water is called anomalous because

A
it contracts on cooling from 4∘C to 0∘C

B
it expands on heating from 0∘C to 4∘C

C
it expands on cooling from 10∘C to 4∘C

D
it contracts on heating from 0∘C to 4∘C

Solution

Explanation:

Liquids expand on heating and contract on cooling at moderate temperatures. But water exhibits an exceptional behaviour. When it is heated from 0 ºC, it actually contracts rather than expanding, up to 4 ºC. The volume of water is minimum at 4 ºC. Beyond 4 ºC, water starts expanding.This behaviour of water between 0 ºC and 4 ºC is called anomalous expansion of water..
Question 3
1 / -0

Which of these materials have high coefficients of volume expansion α_v?

A
glass

B
invar

C
alcohol

D
Pyrex glass

Solution

Explanation:

Alcohal has higher coefficient of volume expansion in comparison to glass and Invar.
Question 4
1 / -0

Which of these materials has low coefficient of volume expansion α_v ?

A
water

B
pyrex glass

C
alcohol

D
paraffin

Solution

Explanation:

Glass is a ceramic material made from silica.So that it has lower coefficient of volume expansion in comparison to metal and liquid.
Question 5
1 / -0

compared to glass copper expands

A
five times more

B
three times less

C
two times less

D
about the same

Solution

Explanation:

The coefficient of linear expansion is more for copper then that of glass.
Question 6
1 / -0

Plots of pressure as a function of temperature for gas thermometers containing different types and quantities of gas converge to the same point when extrapolated to zero pressure. The temperature value to which converge is.

A
-273.15∘C

B
32.15∘C

C
212.00∘C

D
232.15∘C

Solution

Explanation:

Absolute zero temp. = 0K
Question 7
1 / -0

Heat flows from one body to another if

A
there is a difference of temperatures

B
there is no difference of temperature

C
there is a difference of density

D
there is a difference of material

Solution

Explanation:

Heat is the amount of energy flowing from one body of matter to another spontaneously due to their temperature difference
Question 8
1 / -0

Heat is a form of

A
liquid

B
solid

C
gas

D
energy

Solution

Explanation:

Heat is the amount of energy flowing from one body of matter to another spontaneously due to their temperature difference.

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Thermal Properties of Matter Test - 1

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Thermal Properties of Matter Test - 1

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Question 1

freezing takes place at the bottom first

water expands on heating at all temperatures

freezing takes place at the top first and bottom layers are not frozen as temperature in bottom layers is more than zero

water contracts on cooling at all temperatures

Solution

Question 2

it contracts on cooling from 4∘C to 0∘C

it expands on heating from 0∘C to 4∘C

it expands on cooling from 10∘C to 4∘C

it contracts on heating from 0∘C to 4∘C

Solution

Question 3

glass

invar

alcohol

Pyrex glass

Solution

Question 4

water

pyrex glass

alcohol

paraffin

Solution

Question 5

five times more

three times less

two times less

about the same

Solution

Question 6

-273.15∘C

32.15∘C

212.00∘C

232.15∘C

Solution

Question 7

there is a difference of temperatures

there is no difference of temperature

there is a difference of density

there is a difference of material

Solution

Question 8

liquid

solid

gas

energy

Solution

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