Embibe Experts Solutions for Exercise 3: Assignment

Thickness of a pencil measured by using a screw gauge (least count $.001 \mathrm{cm}$ ) comes out to be $0.802 \mathrm{cm}.$ The percentage error in the measurement is

The percentage error in the measurement of the voltage $V$ is $3\%$ and in the measurement of the current is $2\%.$ The percentage error in the measurement of the resistance is

The relative error in the measurement of the side of a cube is $0.027.$ The relative error in the measurement of its volume is

A packet contains silver powder of mass $20.23 \mathrm{g}\pm 0.01 \mathrm{g}.$ Some of the powder of mass $5.75 \mathrm{g}\pm 0.01 \mathrm{g}$ is taken out from it. The mass of the powder left back is

The radius of a sphere is $(2.6\pm 0.1) \mathrm{cm}.$ The percentage error in its volume is

We can reduce random errors by

The volume of a cube having sides $1.2 \mathrm{m}$ is appropriately expressed as

The number of significant figures in a pure number $410$ is