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The quantity found from the rebound height of a dropped ball is the coefficient of:
ARestitution
BFriction
CExpansion
DViscosity
Answer & Solution
Correct answer: A. Restitution
1. A ball dropped from a height rises less on the bounce.
2. The ratio of the two heights fixes a quantity.
3. That is the coefficient of restitution.
_Source: NCERT Class 11 Physics Part I, Chapter 6, Work, Energy and Power._
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