blob: 2de61fadabc239cd9d052da799efbe58d66b8f8d (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
|
clear
//
//
//
//Variable declaration
h=6.62*10^-34; //planck's constant(J sec)
e=1.6*10^-19; //charge(coulomb)
m=9*10^-31; //mass(kg)
E=344; //energy(volts)
n=1;
theta=60; //angle(degrees)
//Calculation
lamda=h/sqrt(2*m*e*E); //wavelength(m)
theta=theta*%pi/180; //angle(radian)
d=n*lamda*10^10/(2*sin(theta)); //spacing of crystal(angstrom)
//Result
printf("\n spacing of crystal is %0.2f angstrom",d)
|
