From 7f60ea012dd2524dae921a2a35adbf7ef21f2bb6 Mon Sep 17 00:00:00 2001
From: prashantsinalkar
Date: Tue, 10 Oct 2017 12:27:19 +0530
Subject: initial commit / add all books

---
 3753/CH7/EX7.13/Ex7_13.sce | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)
 create mode 100644 3753/CH7/EX7.13/Ex7_13.sce

(limited to '3753/CH7/EX7.13/Ex7_13.sce')

diff --git a/3753/CH7/EX7.13/Ex7_13.sce b/3753/CH7/EX7.13/Ex7_13.sce
new file mode 100644
index 000000000..d207ad682
--- /dev/null
+++ b/3753/CH7/EX7.13/Ex7_13.sce
@@ -0,0 +1,27 @@
+//Example number 7.13, Page number 7.18
+
+clc;clear;close
+
+// Variable declaration
+n=4// unitless
+A=107.87 // in m
+rho=10500 // kg/m^3
+N=6.02*10^26// unitless
+h=1;// in m
+k=1;// in m
+l=1;// in m
+H=6.625*10^-34 // planks constant
+e=1.6*10^-19 // Charge
+theta=(19+(12/60))*%pi/180 // radian
+C=3*10^8 // in m/s
+// Calculations
+a=((n*A)/(rho*N))^(1/3)*10^10 // in m
+d=a/sqrt(h^2+k^2+l^2) // in m
+lamda=2*d*sin(theta)// in m
+E=(H*C)/(lamda*10^-10*e) // eV
+
+// Result
+printf("a = %.2f Angstroms",a)
+printf("\nd = %.2f Angstroms",d) 
+printf("\nlamda = %.3f Angstroms",lamda)
+printf("\nE = %.e eV",E)
-- 
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