dR/D(lambda)=dU/d(lambda)(4/c)
du=4dR/c
integrate
u=4R/c
where R is 1350(solar constant) and gives the energy density on earth.
for part b
L=4pir^2 S(solar constant)
S=L(luminosity)/4pir(of the sun)^2
then u=4r/c where R=S
Thought about it some...
Could I use Planks formula or Raleight Jeanes law to solve this? Since the wavelength is rather large, I'm thinking I could, but I'm not sure how to apply it.
[SOLVED] Energy Density of Sunlight
Homework Statement
Use the solar constant (1350 W/m^2) to calculate the energy density of sunlight at a)Earth and b) near the surface of the sun.
Homework Equations
Stefan-Boltzman = (2pi^5)/(15(h^3)(c^2))
h=6.63x10^-34 j.s
L(solar...
Alright so as far as I have it figured.
v(y) = gt
then take v(y)/v(x) and take the inverse tan of it to get the answer.
It gives the angle of deflection in radians. The answer I got does not match that of the book but is close enough. It's a very small number.
the answer the book was looking...
Homework Statement
There are two parts to the question.
A)Why is gravity not important during JJ Thomsons experiment?
b)what is the deflection due to gravity?
Given variables.
In a thomson spectromoter set at 10^4 (V/m). deflection without the magnetic field applied equals .10 radians over a L...