diff options
Diffstat (limited to '3875/CH10/EX10.9/10_9.sce')
| -rw-r--r-- | 3875/CH10/EX10.9/10_9.sce | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/3875/CH10/EX10.9/10_9.sce b/3875/CH10/EX10.9/10_9.sce index 04a390b8f..283855b74 100644 --- a/3875/CH10/EX10.9/10_9.sce +++ b/3875/CH10/EX10.9/10_9.sce @@ -13,12 +13,12 @@ d_lambda2=1*10^-9 //range of wavelength in m //case (a) when the range of wavelength is between 1-1.1 mm
E=exp((h*c)/(lambda1*k_B*T)) //calculating the exponential term of the eqn
U_lambda1=((8*%pi*h*c*d_lambda1)/(lambda1^5*(E-1)))
-mprintf("The energy density is = %1.2e J/m^3.\n",U_lambda1)
+mprintf("The energy density for wavelength in range 1-1.1 mm is = %1.2e J/m^3.\n",U_lambda1)
//case (b) when the range of wavelength is between 100-101 nm
E1=exp((h*c)/(lambda2*k_B*T)) //calculating the exponential term of the eqn
U_lambda2=((8*%pi*h*c*d_lambda2)/(lambda2^5*(E1-1)))
-mprintf("The energy density is = %1.2e J/m^3.",U_lambda2)
+mprintf("The energy density for wavelength in range 100-101 mm is = %1.2e J/m^3.",U_lambda2)
//The answer provided in the textbook is wrong.
mprintf("\nThus for shorter wavelengths the energy densities predicted by Rayleigh-Jeans law and Planks law are considerably different while for longer wavelengths the energy densites predicted are same.")
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