The radius of a wire is 0.021 cm and the value of π is accurately given as 3.1416. The…
Physics · NEET · NTA Exams — Physics and Measurement
The radius of a wire is 0.021 cm and the value of π is accurately given as 3.1416. The numbers of significant figures that should be expressed in the cross sectional area is
- 2
- 3
- 4
- None of these
Answer
(A) 2
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