Planck law

<applet code="planck_law_app.class" archive="planck_law_app.jar" width="500" height="400"></applet>

INPUT DATA

h [J*s]Planck constant
f [Hz]Frequency
c [m/s]Speed of light
k [J/K]Boltzmann constant
T [K]Temperature

OUTPUT DATA

Bf [W*m^-2*Hz^-1*sr^-1]Surface brightness per unit frequency

2019-10-10