377/CH4/EX4.2/4_2.sce


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disp("E=(ħ*k*ħ*k)/(2*me)");
m0=9.1*10^-31;
E=0.8*10^-19;
me=0.067*m0;
b=(sqrt(2*me*E))*(10^25);
printf('the value of ħ*k =%f *(10^-26)',b);