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NEET UG PHYSICS MCQ: UNITS & MEASUREMENTS

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Application +4 | -1

The length, breadth and thickness of a metal block is given by

l = 90 cm

, b=8 cm, t=2.45 cm. The volume of the block is

View answer and explanation

Correct option: A

2 \times {10^2}\mathrm{c}{\mathrm{m}^3}

Option A (

2 \times {10^2}\mathrm{c}{\mathrm{m}^3}

) is correct because the volume should be rounded to the least number of significant figures among the given dimensions.

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\frac{1}{{\sqrt {{\varepsilon _0}{\mu _0}} }}