clear
//
//
//

//Variable declaration    
h=6.6*10^-34;        //planck's constant(J-sec)
deltax=4*10^-10;       //uncertainity in position of electron(m)

//Calculations
delta_px=h/deltax;       //uncertainity in momentum(kg m/sec)

//Result
printf("\n uncertainity in momentum is %e kg m/sec",delta_px)