diff options
Diffstat (limited to '3875/CH7/EX7.6/Ex7_6.sce')
| -rw-r--r-- | 3875/CH7/EX7.6/Ex7_6.sce | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/3875/CH7/EX7.6/Ex7_6.sce b/3875/CH7/EX7.6/Ex7_6.sce new file mode 100644 index 000000000..1296603b9 --- /dev/null +++ b/3875/CH7/EX7.6/Ex7_6.sce @@ -0,0 +1,14 @@ +clc;
+clear;
+lambda=694.3*10^-9 //wavelength in m
+K_b=1.38*10^-23 //Boltzmann constant J/K
+T=300 //Temperature in K
+h=6.63*10^-34 //Plancks constant in J-s
+c=3*10^8 //velocity of light in m/s
+
+//calculation
+Exp=(h*c)/(lambda*K_b*T) //exponential term of the formula
+R=1/(exp(Exp)-1)
+
+mprintf("The ratio of stimulated emission to spontaneoius emission is = %e",R)
+//The answer provided in the textbook is wrong.
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