3701/CH4/EX4.2/Ex4_2.sce


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////Given
K=100                                       //ev
h=6.63*10**-34
m=9.1*10**-31
e=1.6*10**-19

//Calculation
//
v=h/(sqrt(2*m*K*e))

//Result
printf("\n de broglie wavelength of electrons  %0.1f A",v*10**10)