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NAME
SYMBOL
VALUE
Constant, Wien Displacement Law
b
2.8977686(51) × 10
-3
m K
Constants, Planck (h/2π)
ħ
(h bar)
1.054571596(82) × 10
-34
J s
6.58211889(26) × 10
-16
eV s
Constants, Rydberg α
2
m
e
c/2h
R
∞
R
∞
c
R
∞
hc
10973731.568549(83) m
-1
3.289841960368(25) × 10
15
Hz
2.17987190(17) × 10
-18
J
Cross Section, Thomson
σ
e
0.665245854(15) × 10
-28
m
2
Dalton
amu
m
u
u
1.66053873(13) × 10
-27
kg
931.494013(37) MeV
1.49241778(12) × 10
-10
J
Daniel Cell, emf of
1.08 V
Density, Earth's Average
5.517 × 10
3
kg m
-3
Deuteron Magnetic Moment
µ
d
0.43307375(15) × 10
-26
J T
-1
0.4669754479 × 10
-3
µ
B
0.857438230(24) µ
N
Deuteron Molar Mass
M
d
2.013553214(24) u
Deuteron Rest Mass
m
d
3.3435860(20) × 10
-27
kg
2.013553214(24) u
1875.61339(57) MeV c
-2
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