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clear
//
//
//
//Variable declaration
h=6.62*10^-34; //planck's constant(J-sec)
m=10^-6; //mass of electron(kg)
deltav=5.5*10^-20; //speed(m/sec)
//Calculations
delta_p=m*deltav; //uncertainity in momentum(kg m/sec)
deltax=h/(4*%pi*delta_p); //uncertainity in position of dust particle(m)
//Result
printf("\n uncertainity in position of dust particle is %0.2f *10^-10 m",deltax*10^10)
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