NEET Physics Centre of Mass Match the Following Question
Match Column-I with Column-II.
| Column-I | Column-II |
|---|---|
| (a) Elastic Collision | (i) Momentum conservation |
| (b) Fractional Kinetic Energy Lost | (ii) Kinetic Energy Transfer |
| (c) Neutron Slowing Down | (iii) Heavy Water as Moderator |
| (d) One-Dimensional Collision | (iv) Head-On Collision |
a-i, b-ii, c-iii, d-iv
a-ii, b-i, c-iv, d-iii
a-iii, b-iv, c-i, d-ii
a-iv, b-iii, c-ii, d-i
Correct Answer
Detailed Explanation
In an elastic collision, both momentum and kinetic energy are conserved (a-i). The fractional kinetic energy lost is related to the masses involved in the collision (b-ii). Neutrons are slowed down using light nuclei in a moderator, such as heavy water (c-iii). A one-dimensional collision is specifically referred to as a head-on collision (d-iv).
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