Summary
Summary Thermal Expansion and Calorimetry
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Handwritten cheat sheet of Thermal Expansion and Calorimetry from JEE 2020 topper
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Thexmal Expansion &CaloimehyThe -natuxal flo oF heat is faoro highex to
Jomex temp
5 5
As temp. aises oF the caysal
he amplitude. of
Jatice inckeases But the eayilibaricunn
pasition chiEts
Tenp
Shape of isobopic solid doesn't chonge its
Shape
oLinea Expansion
lAl=I, AT ohexe d is coefE. OF
oF Jneos
hneak expatsU
Final length i- la dotAl = lacl+AT)
Supexfiial expansioo (Axea)
lo t0
, A= ClotAL)' = J,? (l tol TJ²
A= Ae (1+ 2dAT) uSing binamial expanglob.
-
putting, 2d as A -coif oF spexficiol expansion
JA A.1+ BAT B= 24
similarly, l YAT)
Tne peiod of pendulum
LltoAT)
VL
(
4oin o loss in time. 2
*Due to change in temp the seadings af scale
change
oame length = hcoect lenth (l+dATJI
hesmal expancian when the length oF xad
lacualu increagas it expeyences shais ahich
egual to Al-
is eqúal do
dÁT, in his situchion Haere
is nostesg og thexe is no rastaing oxe
when a spd isclamped bet tao oalls ts
remains constant and t mLst
Laetning Foce
forze Cstaess) F= Yot ATAI
This i called thexma shesz
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