2 files changed, 15 insertions, 0 deletions
diff --git a/3411/CH6/EX6.4.u1/Ex6_4_u1.sce b/3411/CH6/EX6.4.u1/Ex6_4_u1.sce
new file mode 100644
index 000000000..4fd13fc06
--- /dev/null
+++ b/3411/CH6/EX6.4.u1/Ex6_4_u1.sce
@@ -0,0 +1,12 @@
+//Example 6_4_u1
+clc();
+clear;
+//To calculate the ratio of populations of two energy levels
+h=6.63*10^-34
+c=3*10^8
+lamda=694.3*10^-9
+kb=1.38*10^-23
+T=300
+n1_n2=exp((h*c)/(lamda*kb*T))
+printf("The ratio of Populations of two energy levels is N1/N2=")
+disp(n1_n2);
diff --git a/3411/CH6/EX6.4.u1/Ex6_4_u1.txt b/3411/CH6/EX6.4.u1/Ex6_4_u1.txt
new file mode 100644
index 000000000..bf6e975fb
--- /dev/null
+++ b/3411/CH6/EX6.4.u1/Ex6_4_u1.txt
@@ -0,0 +1,3 @@
+The ratio of Populations of two energy levels is N1/N2= 
+    1.127D+30  
+ 
+\ No newline at end of file