Solids, Fluid, Thermal Formula

Question 1

Stress

Answer 1

F/A

Question 2

Longitudinal strain

Answer 2

∆l/l

Question 3

Young’s modulus

Answer 3

Y= Fl/A∆l

Question 4

Bulk modulus

Answer 4

B= FV/A∆V

Question 5

Shearing modulus

Answer 5

G= Fl/A∆l

Question 6

Density

Answer 6

M/V

Question 7

Pressure

Answer 7

F/A

Question 8

Pascal’s law

Answer 8

P1=P2

Question 9

Pressure under gravity

Answer 9

P= fhg

Question 10

Buoyancy

Answer 10

Fb= fvg

Question 11

Bernoulli

Answer 11

P+1/2fv²+ fgh= constant

Question 12

Velocity of efflux(Torricelli law)

Answer 12

Vb= √2gh

Question 13

Venturi meter

Answer 13

V2= √2gh(a1²/a1²-a2²)

Question 14

Stoke law

Answer 14

6πnrv

Question 15

Terminal velocity

Answer 15

2/9× r²g(sigma-f)/ n

Question 16

Surface energy

Answer 16

E= SA

Question 17

Surface tension

Answer 17

S= F/l

Question 18

Excess pressure inside drop or bubble

Answer 18

P=2S/r or for bubble, 4S/r

Question 19

Height of capillary

Answer 19

h= 2ScosQ/frg

Question 20

Linear expansion

Answer 20

Alpha= l2-l1/L1(∆t)

Question 21

Area expansion

Answer 21

Beta= ∆A/A(∆T)

Question 22

Volumetric expansion

Answer 22

Gama= ∆V/V(∆T)

Question 23

Relation of alpha and beta

Answer 23

Beta= 2 alpha

Question 24

Relation of alpha and gama

Answer 24

Gama= 3 alpha

Question 25

Specific heat capacity

Answer 25

S= Q/m∆T or Q= Sm∆T

Question 26

Calorimeter

Answer 26

m1S(t1-t3)= m2S2(t3-t2)

Question 27

Latent heat

Answer 27

L= Q/m

Question 28

Total heat

Answer 28

Specific heat+ latent heat