Chapter 5.2, Problem 1RQ

Interpretation Introduction

Interpretation:

This is to be explained that all the measurements are uncertain.

Concept introduction:

The term accuracy is mostly used for the difference between a measured result and the actual exact result.

Answer to Problem 1RQ

For certain calculation, there is a chance to have the difference between the calculated value and actual values. Hence, all measurements are uncertain.

Explanation of Solution

Most instruments also have a degree of accuracy and student can be sure of how accurate something is up to that degree. A ruler has a degree of accuracy down to a millimeter in which one make a guess between values of millimeters.

For any experiment, there is some error that can be possible which results the answer to vary from the true value that means uncertainty occurred.