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Two railway wagons collide and couple together. The standard application of conservation of momentum here is the study of a:
ACollision
BConvection
CCondensation
DConduction
Answer & Solution
Correct answer: A. Collision
1. Two bodies meet with their own initial momenta.
2. After the meeting each carries a different momentum.
3. The total is unchanged, which is why collisions are the classic example.
_Source: NCERT Class 11 Physics Part I, Chapter 5, Laws of Motion._
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