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FאEAppendix אאאPhysical Constants

א אאא אאabsolute zero temperature K)0(C15.273

אאא

acceleration due to gravity at sea level (Washington d. c.)

g 2s/m801.9

Avogadro’s number ON mole/particles10022.6 23

א charge of an electron e C106022.1 19

constant in Coulomb’s K 229 kg/m.N10988.8

אא gravitational constant G 2211 kg/m.N10673.6

א mass of an electron em kg10109.9 31

א mass of a proton pm kg10673.1 27

Planck’s constant h s.eV10136.4

Hz/J10626.615

34

א speed of light in a vacuum c )exact(s/m1099792458.2 8

א mass of neutron nm kg1067492.1 27

אאpermittivity of space o m/F1085.8 12

אאpermeability constant o A/m.T104 7

אConversion Factors ١אאatomic mass unit = 227 c/MeV5.931kg10661.1

١electronvolt = J10602.1 19

١Joule = m.N1

١Joule = C.V1

١coulomb = )unitseargchelementary(10242.6 18

EFאAppendix

אא

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אאW ١-א،אאא،

Wאא

g

L2T

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8.9L

8.9

L14.321

g

L2T

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٢-אאא،אWאאאא،א

g

L2T

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אא،K،אאאאאא

٤-Wאאא

%6.1%1008.9

8.996.9

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ak

mx

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אאאThe Arabic ReferencesW

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אאאThe English ReferencesW

אא א Fundamentals of physicsJohn Willey

Practical physics (SI)E. Armitage Physics Laboratory ExperimentsJerry D. Wilson

A Text - Book of HeatG. R. Noakes

فيزياء تخصصية 122 فيز (عملي

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