1 files changed, 17 insertions, 0 deletions
diff --git a/2243/CH6/EX6.3/Ex6_3.sce b/2243/CH6/EX6.3/Ex6_3.sce
new file mode 100755
index 000000000..86a50aa8d
--- /dev/null
+++ b/2243/CH6/EX6.3/Ex6_3.sce
@@ -0,0 +1,17 @@
+clc();
+clear;
+//Given :
+//Power of the source = 10^-5 W = 10^-5 J/s
+P = 10^-5 ; //Power in J/s
+r = 10^-9; //radius in m
+r1 = 5; // metal plate 5 m away from the source
+WF = 5;//Work function in eV
+area = %pi*(10^-9)^2 ; //area in m^2
+area1 = 4*%pi*r1^2; // area in m^2
+P1 = P*(area/area1); // in J/s
+// 1eV = 1.6*10^-19 J
+t = (WF*1.6*10^-19)/P1 ;// in s
+//1 day = 24 hours * 60 minutes * 60 seconds
+N = t/(24*60*60); //in days
+printf(" It will take %.0f  days \n",round(N));
+