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clear
//
//
//
//Variable declaration
h=6.62*10^-34; //planck's constant(J-sec)
m0=9*10^-31; //mass of electron(kg)
v=3*10^7; //velocity of electron(m/sec)
c=3*10^8; //velocity of light(m/sec)
//Calculations
deltax_min=h*10^10*sqrt(1-(v^2/c^2))/(4*%pi*m0*v); //smallest possible uncertainity in position of electron(angstrom)
//Result
printf("\n smallest possible uncertainity in position of electron is %0.0f angstrom",deltax_min)
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