Class notes
Thermal Physics JEE notes
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It covers all important formulas and concepts related to Thermal physics alongside important and conceptual questions.
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Elasticitye
DFTr DFs
n din
e
sdmAaeeditt
7 Area r
n
n
ndFn
dit e
NV DA
RA EE
dFn Normal or longitudinal component
dFt tangential or shear component
diff longitudinal stress
H J
IS IIT
dft Shear stress
dA
Young's Modulus
MR of Elasticity Y
IT O
e s A
MOForce
H SF
F e F
c Ct DL 3 Tensilestress
ROSIC
e
F s F
e L DD compressivestress
From Hooke's law
BYHY
longitudinal
stress a longitudinal
strain
F a Def
P
A
Y Def or Y Fl
A Dl
NOTE C Y A L F K
e F Forman F
F fsp fsp
Y DI F KN
L
F YA DL X DL K YAL
constant
Equivalentspring
const
, ii Elastic Potential Energy U
U U Dl
f Ku or
t YI f Ff Det CAI
volume
stress strain
f stress strain ro j
Ciii Poission'S Ratio r
d
v
F e
e Lt DL
H F
d Dd
e L s
RA EE
Transversestrain Ad Id
r
longitudinalstrain Dell
H J
IS IIT
Eg If volume is constant
a oil
MR const 2 Dad bed o Lefter I O5
T 0.5
IT O
iv stress strain curve
H SF
Breaking
stress
0A proportional limit
0h in which Hooke's law is valid
ROSIC
region stress a strain
Inelastic
plastic
OB Elastic limit
B yield limit
BYHY
I
P
STEEL Brittle Ductile
less Permanent largepermanent
deformation deformation
region eg thin wire thinshee
Stress eg crashhelmet
lossof 9 Area of
7
of Energy loop
a
8 strain
Rubber
eg shockAbsorbers
, Cg ock A Sobers
Modulus of Rigidity shear Modulus
weff of Rigidity A n
f l 4 shear stress I
F A
Shear strain tan 0 1
a a
o o
tax tone
fixed Mamo y sea
Modulusof Rigidity
or shear Modulus
RA EE
Bulk Modulus B
v P Volume stress dp
H J
s p dp volume strain de
IS IIT
du v
V
i MRr DP due dP B d
IT O
B DP
f duh
H SF
compressibility K BL
ROSIC
o
BYHY
Z 4 10 Sm
P
Y Del Dl F 4 8 10 z
E 0.2 10 4 2 1011
2 4 10 Sm
G
Dl Fl 100 4.5 3 32 10 Sm
Fy a 3 10 3 2 4 8 10
, Ddld O2 3 32 10 5
Dele dad 4 Sm
Dd 8 8 10 9M
9
2 1 2 10
T 2min29
mi 1mL l 12
RA EE
431M
2 109 Ah 4013
Ia A
H J
2 109
IS IIT
9 4.6 10 Sm
a MR
IT O
H SF
mm
dug
dxtdydn.ie
ROSIC
BT W K
n stress
Ia WIE swtaezss.ITdsyIain
BYHY
strain DI L du
du ndk
Joly y
0
P
WL
By ZAY
Heat and Temperature
B TB CTA 0C OF K OR
TA A steam pt 100 2120 373.15 80 R
o
1 ice pt 0 32 273 15 OR
T
Heat is anotherform ofEnergy Steam
which is transferred from one Pt
Th
body to another body due to y
Temp difference icept
value
a b
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