Science
Constants - U to Z

Uu | Vv | Ww | Xx | Yy | Zz
A to B | C to D | E to F | G to I | J to L | M | N to Q | R to T | U to Z

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Uu
  Name Symbol Value  
Electricity Constants UK Electrical Power Specification 230V ac, 50Hz 
 
Units of Volume UK Fluid Ounce floz 2.841 × 10-5 m3
 
Units of Volume UK Gallon 4.546 × 10-3 m3
1.201 US gallon
 
Units of Mass UK Hundredweight cwt 5.08 × 104 g
 
Units of Length UK Nautical Mile 1853.18 m
 
Units of Force UK Ton per 1000yd 1.111 kg m-1
 
Units of Force UK Ton per Mile 0.6313 kg m-1
 
Units of Length Unit, Astronomical AU 1.4959787 × 1011 m
Click for More Info on Unit, Astronomical
Units of Length Unit, Siegbahn UX
X
1.00020778970 × 10-13 m
Click for More Info on Unit, Siegbahn
Electricity Constants US Electrical Power Specification 115V ac, 60Hz 
 
Units of Volume US Fluid Ounce floz 2.957 × 10-5 m3
 
Units of Volume US Gallon 3.785 × 10-3 m3
0.833 UK gallon
 

Uu | Vv | Ww | Xx | Yy | Zz
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Vv
  Name Symbol Value  
General Mathematical Constants Vallée's Constant 0.1994588183 
 
General Mathematical Constants Van der Corput's Constant m 3.3643175781 
 
Verdet's Constant (Light at 589nm in water) 0.000477 rad A-1
 
Viscosity of Air at 20°C η0 1.8 × 10-5 N s m-2
 
Viscosity of Water at 20°C ηw 1.002 × 10-3 N s m-2
 
Physico-Chemical Constants Volume, Molar (Ideal Gas) (T=273.15 K, p=101.325 kPa) Vm 22.413996(39) × 10-3 m3 mol-1
 
Electromagnetic Constants von Klitzing Constant h/e2 = µ0c/2α RK 25812.807572(95) Ω
 

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Ww
  Name Symbol Value  
Refractive Indices Water, Refractive Index of nw 1.33 
 
Water, Specific Heat Capacity of cw 4200 J kg-1 K-1
 
Water, Specific Latent Hear of Vapourisation of 2.26 × 106 J kg-1
 
Water, Specific Latent Heat of Fusion of 3.34 × 105 J kg-1
 
Water, Viscosity of (20°C) ηw 1.002 × 10-3 N s m-2
 
Electron Particle Constants Wavelength of Electron, Compton λc 2.426310215(18) × 10-12 m
Click for More Info on Wavelength of Electron, Compton
Electroweak Constants Weak Mixing Angle θw (on-shell scheme) sin2 θw 0.2224(19) 
 
Electricity Constants Weston Cell, emf of 1.0186 V
 
Physico-Chemical Constants Wien Displacement Law Constant b 2.8977686(51) × 10-3 m K
 
General Mathematical Constants Wilbraham-Gibbs Constant G 1.851937052 
 

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Xx
  Name Symbol Value  

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Yy
  Name Symbol Value  
Units of Volume Yard, Cube yd3
cu. yd.
7.64554858 × 10-5 m3
27 ft3
46656 in3
 
Units of Area Yard, Square yd2 0.8361 m2
 
Young Modulus for Copper Ec 1.3 × 1011 Pa
 
Young Modulus for Steel Es 2.1 × 1011 Pa
 

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Zz
  Name Symbol Value  
Zero, Absolute -273.15 ° C
Click for More Info on Zero, Absolute

Uu | Vv | Ww | Xx | Yy | Zz
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Page compiled: Wed Sep 05 18:37:52 GMT+01:00 2001