If the length of rod $A$ is $3.25 \pm 0.01 \,cm$ and that of $B$ is $4.19 \pm 0.01\, cm $ then the rod $B$ is longer than rod $A$ by
If the length of rod $A$ is $3.25 \pm 0.01 \,cm$ and that of $B$ is $4.19 \pm 0.01\, cm $ then the rod $B$ is longer than rod $A$ by
- A
$0.94 \pm 0.00 \,cm$
- B
$0.94 \pm 0.01 \,cm$
- C
$0.94 \pm 0.02 \,cm$
- D
$0.94 \pm 0.005\, cm$
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If $Z=\frac{A^{2} B^{3}}{C^{4}}$, then the relative error in $Z$ will be
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Given below are two statements: one is labelled as Assertion $A$ and the other is labelled as Reason $R$
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Assertion $A$ : A spherical body of radius $(5 \pm 0.1)$ $mm$ having a particular density is falling through a liquid of constant density. The percentage error in the calculation of its terminal velocity is $4\,\%$.
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