# A physical quantity $\mathrm{P}$ is described by the relation $\mathrm{P}=a^{1 / 2} b^{2} \mathrm{c}^{3} d^{-4}$ If the relative errors in the measurement of $a, b, c$ and $d$ respectively, are $2 \%, 1 \%, 3 \%$ and $5 \%$, then the relative error in P will be:

Question:

A physical quantity $\mathrm{P}$ is described by the relation $\mathrm{P}=a^{1 / 2} b^{2} \mathrm{c}^{3} d^{-4}$

If the relative errors in the measurement of $a, b, c$ and $d$ respectively, are $2 \%, 1 \%, 3 \%$ and $5 \%$, then the relative error in P will be:

1. $8 \%$

2. $12 \%$

3. $32 \%$

4. $25 \%$

JEE Main Previous Year Single Correct Question of JEE Main from Physics Physical World, Units and Measurements chapter.

JEE Main Previous Year April 9, 2017

Correct Option: 3

Solution:

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