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Although physical quantities are many, the units needed are:
ALimited
BEndless
CCountless
DUncounted
Answer & Solution
Correct answer: A. Limited
1. The quantities are related to one another.
2. So most can be built from a few basic ones.
3. Only a limited number of units is needed.
_Source: NCERT Class 11 Physics Part I, Chapter 2, Units and Measurement._
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