Definition:Second Radiation Constant

Definition

The second radiation constant is defined as:

$c_2 = \dfrac {h c} k$

where:

$h$ denotes Planck's constant

$c$ denotes the speed of light

$k$ denotes Boltzmann's constant.

This article is complete as far as it goes, but it could do with expansion. You can help $\mathsf{Pr} \infty \mathsf{fWiki}$ by adding this information. To discuss this page in more detail, feel free to use the talk page. When this work has been completed, you may remove this instance of {{Expand}} from the code. If you would welcome a second opinion as to whether your work is correct, add a call to {{Proofread}} the page.

Symbol

$c_2$

The symbol for the second radiation constant is $c_2$.

The $\LaTeX$ code for \(c_2\) is c_2 .

Dimension

The second radiation constant has the dimension $\mathsf {L \Theta}$.

Units

The SI unit for the second radiation constant is the metre kelvin: $\mathrm {m \, K}$

The CGS unit for the second radiation constant is the centimetre kelvin: $\mathrm {cm \, K}$

Value

The value of the second radiation constant is:

\(\ds c_2\)

\(=\)

\(\ds 1 \cdotp 43877 \, 6877 \ldots \times 10^{-2} \, \mathrm {m \, K}\)

\(\ds \)

\(=\)

\(\ds 1 \cdotp 43877 \, 6877 \ldots \, \mathrm {cm \, K}\)

Also see

• Definition:First Radiation Constant

Sources

There are no source works cited for this page. Source citations are highly desirable, and mandatory for all definition pages. Definition pages whose content is wholly or partly unsourced are in danger of having such content deleted. To discuss this page in more detail, feel free to use the talk page.