Monthly Archives: April 2014

Physical Constants

Physical Constants.

 

Constant Value
Atomic Mass Unit 1.660540 x 10-27 kg
Avogadro constant 6.022137 x 1023 mol-1
Bohr magneton 9.274015 x 10-24 JT-1
Bohr radius 5.291771 x 10-11 m
Boltzmann constant 1.380662 x 10-23 JK-1
Compton wavelength (e) 2.426311 x 10-12 m
Compton wavelength (n) 1.319591 x 10-15 m
Compton wavelength (p) 1.321410 x 10-15 m
Electric field constant in vacuo 8.854188 x 10-12 Fm-1
Electron radius 2.817941 x 10-15 m
Elementary charge 1.602177 x 10-19 C
Faraday constant 9.648531 x 104 Cmol-1
Fine structure constant 7.297353 x 10-3
Gas constant 8.31451 J mol-1K-1
Gravitation constant 6.672590 x 10-11 Nm2kg-2
Intrinsic impedance 3.767301 x 102 Ω
Light velocity in vacuo 2.997924 x 108 ms-1
Loschmidt constant 2.686763 x 1025 m-3
Magnetic field constant in vacuo 1.256637 x 10-7 Hm-1
Molar volume of ideal gases 298 K, 101.325 kPa 2.445294 x 10-2 m3mol-1
Molar volume of ideal gases 298 K, 101.325 kPa 2.445294 x 10-2 m3mol-1
Normal acceleration of fall 9.80665 ms-2
Planck constant 6.626075 x 10-34 Js
Rest mass of the electron 9.109390 x 10-31 kg
Rest mass of the neutron 1.674929 x 10-27 kg
Rest mass of the proton 1.672623 x 10-27 kg
Rotational quantum 1.054588 x 10-34 Js
Rydberg constant 1.097373 x 107 m-
Speed of light 2.998 x 108 m/s
Pi 3.14159
e 2.718
ln x 2.3026 log x
2.3026 R 19.14 J/(mol.K)
2.3026 RT (at 25°C) 5.708 kJ/mol

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Fractals The Hidden Dimension

What do movie special effects, the stock market, heart attacks and the rings of Saturn have in common? They all consist of fractals, irregular repeating shapes found in cloud formations,tree limbs, stalks of broccoli and craggy mountain ranges and even … read more