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In this case, the branching ratio is just the ratio of the branching fractions between two states. To use our example from before, if the branching fraction to state |g is p {\displaystyle p} , then the branching ratio comparing the transition rates to |g and |d would be p 1 − p {\displaystyle {\frac {p}{1-p}}} .
Ratio of flow velocity to the local speed of sound unitless: 1: Magnetic flux: Φ: Measure of magnetism, taking account of the strength and the extent of a magnetic field: weber (Wb) L 2 M T −2 I −1: scalar Mass fraction: x: Mass of a substance as a fraction of the total mass kg/kg 1: intensive (Mass) Density (or volume density) ρ: Mass ...
In physics, there are equations in every field to relate physical quantities to each other and perform calculations. Entire handbooks of equations can only summarize most of the full subject, else are highly specialized within a certain field. Physics is derived of formulae only.
Reversing this yields the formula for obtaining a quantity in units of Celsius from units of Fahrenheit; one could have started with the equivalence between 100 °C and 212 °F, which yields the same formula. Hence, to convert the numerical quantity value of a temperature T[F] in degrees Fahrenheit to a numerical quantity value T[C] in degrees ...
The ratio of numbers A and B can be expressed as: [6] the ratio of A to B; A:B; A is to B (when followed by "as C is to D "; see below) a fraction with A as numerator and B as denominator that represents the quotient (i.e., A divided by B, or). This can be expressed as a simple or a decimal fraction, or as a percentage, etc. [7]
Berkshire used to hold around 915 million shares of Apple at its peak; now it holds only 300 million, down from 400 million in Q2. ... (P/E) ratio of merely 10.6. AAPL PE Ratio Chart. AAPL PE ...
An interesting side effect of investors' recent love affair with dividend stocks is that one of my very favorite stocks, Berkshire Hathaway (NYS: BRK.A) (NYS: BRK.B) , leaves many dividend-chasers ...
In nuclear physics, the Bateman equation is a mathematical model describing abundances and activities in a decay chain as a function of time, based on the decay rates and initial abundances. The model was formulated by Ernest Rutherford in 1905 [1] and the analytical solution was provided by Harry Bateman in 1910. [2]