//calculation of frequency of a wave

clear;
clc;

printf("\t Example 7.2\n");

lambda=522*10^-9;//wavelength, m
c=3*10^8;//speed of light in vacuum, m/s
v=c/lambda;//frequency, Hz

printf("\t the frequency of the wave is : %4.2f *10^14 Hz\n",v*10^-14);

//End