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Class 11
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Thermal Properties of Matter
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Thermal Expansion
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Heat as Cause of Expansion
Heat as Cause of Expansion
6 Mins
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NEXT VIDEOS
Thermal Expansion in Solids
6 mins
Coefficient of Thermal Expansion - Basics
10 mins
Relation Between Coefficient of Thermal Expansion
8 mins
Problems Based on Linear Expansion
17 mins
Problems Based on Cubical Expansion
10 mins
REVISE WITH CONCEPTS
Advanced Knowledge of Thermal Expansion of Substances
Example
Definitions
Formulaes
Basic Knowledge of Thermal Expansion of Solids
Example
Definitions
Formulaes
Advanced Knowledge of Thermal Expansion of Solids
Example
Definitions
Formulaes
QUICK SUMMARY WITH STORIES
Introduction to Thermal Expansion
2 mins read
Thermal Expansion in Solids
2 mins read
Thermal Expansion of Liquid
3 mins read
Problems in Linear Expansion
3 mins read
Introduction to Coefficient of Thermal Expansion
3 mins read
Linear Strain Due To Thermal Expansion
2 mins read
Areal Strain Due To Thermal Expansion
3 mins read
Volume Strain Due To Thermal Expansion
3 mins read
Relation Between Coefficients of Thermal Expansion
4 mins read
Important Questions
A hole is drilled in a copper sheet. The diameter of the hole is 4.24 cm at
$27.0_{o}C$
. What is the change in the diameter of the hole when the sheet is heated to
$227_{o}C$
? Coefficient of the linear expansion of copper
$=1.70×10_{−5}K_{−1}$
Medium
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>
Two rods of length
$l_{1}$
and
$l_{2}$
are made of materials whose coefficients of linear expansion are
$α_{1}$
and
$α_{2}$
. If the difference between their lengths is independent of temperature, then :
Medium
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>
The coefficient of volume expansion of glycerine is
$49×10_{−5}K_{−1}$
. What is the fractional change in its density for a
$30_{o}C$
rise in temperature?
Medium
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>
A beaker is completely filled with water at
$4_{∘}C$
. It will overflow if
Easy
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>
The density of a substance at
$0_{o}C$
is 10 g/cc and at
$100_{o}C$
, its density is 9.7 g/cc. The coefficient of volume expansion of the substance is
Easy
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>
If a cylinder of diameter 1.0 cm at
$30_{∘}C$
is to be slid into a hole of diameter 0.9997 cm in a steel plate at the same temperature, the minimum required rise in the temperature of the plate is: (Coefficient of linear expansion of steel
$=12×10_{−6}/_{∘}C$
)
Medium
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>
The value of coefficient of volume expansion of glycerin is
$5×10_{−4}K_{−1}$
The fractional change in the density of glycerin for a rise of
$40_{∘}C$
in its temperature is:-
Easy
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>
The apparent coefficient of expansion of liquid when heated in a copper vessel is
$C$
and when heated in a silver vessel is
$S$
. If
$A$
is the coefficient of linear expansion of copper, coefficient of linear expansion of silver is :
Medium
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>
If the coefficient of cubical expansion is
$x$
times of the coefficient of superficial expansion, then value of
$x$
is
Easy
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>
If two rods of length
$L$
and
$2L$
having coefficients of linear expansion
$α$
and
$2α$
respectively are connected so that total length becomes
$3L$
, the average coefficient of liner expansion of the composition rod equals:
Medium
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>