Define reaction rate. Write its mathematical formula. Explain each term involves in it.
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State Fick's law. Discuss its importance in neutron transport /diffusion. Write the assumptions used to derive Fick's law and hence derive its expression.
5 MeV neutron is scattered through an angle of 45 degrees in a collision with nucleus. Calculate the energy of scattered neutrons and energy of the recoiling nucleus.
Draw and explain the energy variation of fission cross-sections for and
.
What are (i) initial and boundary conditions, and (ii) Interface boundary conditions?
What are
What do you understand by constant cross-section approximation? Derive the steady state equation for a plane geometry. Also write the transport equation for a spherical geometry.
Using the transport equation for a non-multiplying system and homogeneous assembly, derive the integral form of transport equation using the method of characteristics. What do you understand by "Optical path length" of the medium?