If $L = 2.331\;cm,\;B = 2.1\;cm,$ then L+B=

JEE PHYSICS MCQ: UNITS & MEASUREMENTS

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Application +4 | -1

L = 2.331\;cm,\;B = 2.1\;cm,

then L+B=

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Correct option: C

4.4 cm

Option C (4.4 cm) is correct because the sum of L and B, considering significant figures, is 4.4 cm.

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\sqrt{\frac{\text { Modulus of elasticity }}{\text { Density }}}

\mathrm{ms}^{-1} \text {. }

\frac{1}{\left(\sqrt{\varepsilon_0 \mu_0}\right) t} \text {. }

\left[ {{\mathrm{M}^{ - 1}}{\mathrm{L}^{ - 3}}{\mathrm{A}^2}{T^3}} \right]

{\varepsilon _0}L\frac{{\Delta V}}{{\Delta t}},\;

{\varepsilon _0}

{\Delta V}

{\Delta t}