The diameter of a wire is measured to be 0.02 | vedclass

Name: Exam Paper Generator | JEE NEET Paper Generator | Vedclass
Brand: Vedclass
Rating: 5 (35 reviews)

Question

(A) The given measurement is $0.0205 	imes 10^{-4} \,m$.According to the rules for significant figures:$1$. Leading zeros in a decimal number are not

Vedclass · Accepted Answer

$3$

Vedclass · Answer

(A) The given measurement is $0.0205 	imes 10^{-4} \,m$.According to the rules for significant figures:$1$. Leading zeros in a decimal number are not significant.$2$. The digits $2, 0, 5$ are significant.$3$. The power of $10$ (i.e.,$10^{-4}$) does not contribute to the number of significant figures.Therefore,the significant figures are $2, 0, 5$,which gives a total of $3$ significant figures.

The diameter of a wire is measured to be $0.0205 \times 10^{-4} \,m$. The number of significant figures in the measurement is

Similar Questions

The number of significant figures in $4.870 \ m$ is

The decimal equivalent of $\frac{1}{20}$ up to three significant figures is

$A$ piece of length $3.532 \ m$ is cut from a rod of length $43.4 \ m$. The length of the remaining rod in metre is (up to correct significant figures)

$A$ cube has a side of length $1.2 \times 10^{-2} \; m$. Calculate its volume.

What is the number of significant figures in $3400$?

Vedclass Test Series

Exam Paper Generator

Online Exam Module