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clc//
//
//
//Variable declaration
c=3*10^8; //velocity of light(m/s)
m=1.67*10^-27; //mass of proton(kg)
h=6.626*10^-34; //planck's constant
//Calculation
lamda=h*10/(m*c); //de broglie wavelength(m)
//Result
printf("\n de broglie wavelength is %0.3f *10^-14 m",lamda*10^14)
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