NEET Physics Centre of Mass Match the Following Question
Match Column-I with Column-II.
| Column-I | Column-II |
|---|---|
| (a) Elastic collision | (i) Energy is conserved |
| (b) Inelastic collision | (ii) Kinetic energy is not conserved |
| (c) One-dimensional collision | (iii) Initial velocities are along the same line |
| (d) Momentum conservation | (iv) Total momentum before collision equals total momentum after 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, hence the correct matching is a-i. In an inelastic collision, kinetic energy is not conserved (b-ii) and one-dimensional collisions have initial velocities along the same line (c-iii). Momentum conservation states that the total momentum before collision equals the total momentum after collision (d-iv).
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