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//Variable declaration
KE=10 //Kinetic Energy of neutron in keV
m=1.675*10**-27
h=6.625*10**-34
//Calculations
KE=10**4*1.6*10**-19 //in joule
v=((2*KE)/m)**(1/2) //derived from KE=1/2*m*v**2
lamda=h/(m*v)
//Results
printf('Velocity =%0.3f *10**6 m/s \n ',(v/10**6))
printf('Wavelength =%0.3f Angstorm \n ',(lamda*10**10))
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