1 files changed, 22 insertions, 0 deletions
diff --git a/3869/CH4/EX4.5/Ex4_5.sce b/3869/CH4/EX4.5/Ex4_5.sce
new file mode 100644
index 000000000..c3b1e8604
--- /dev/null
+++ b/3869/CH4/EX4.5/Ex4_5.sce
@@ -0,0 +1,22 @@
+clear
+//
+//
+//
+
+//Variable declaration
+c=3*10**8               //velocity of light(m/sec)
+e=1.6*10**-19           //charge of electron(coulomb)
+lamda=6943*10**-10      //wavelength(m)
+h=6.6*10**-34           //planck's constant(Jsec)
+kb=1.38*10**-23         //boltzmann constant
+T=300                   //temperature(K)      
+
+//Calculation
+Uv=h*c/(e*lamda)        //energy(eV)
+Uvj=Uv*e                //energy(J)
+x=Uvj/(kb*T)
+NbyN0=exp(x)       //relative population of 2 states
+
+//Result
+printf("\n relative population of 2 states is %0.0f  *10**29",NbyN0*10**-29)
+printf("\n answer given in the book is wrong")