Theory of calculating errors in measuring of physical parameters. Units of physical quantities

Biophysics. Practice-1. Theory of calculating errors in measuring of physical parameters. Units of physical quantities.
Meaning of Error Calculation
Before we can go any further, we need to understand what error calculations are. When gathering any data in physics, whether measuring the length of a piece of string using a ruler or reading the temperature of an object from a thermometer, we can introduce errors to our results. Generally speaking, the errors are not an issue as long as we can explain why they have occurred and understand the uncertainty they add to the experiment results. This is where error calculation comes in. We use error calculation to help us understand how accurate our results are and talk about why they have occurred.

Types of error : procedural error, environmental error and human error.

Importance of Error Calculation

It's always important to analyze the errors you may have in a set of experimental results in order to understand how to correct or deal with them. Another important reason to carry out this kind of analysis is the fact that many scientific studies are carried out using results or data from previous investigations. In this case, it's important that results are presented with a level of uncertainty, as this allows errors to be considered throughout the subsequent analysis and prevents error propagation from leading to unknown errors.








Exercise -2.

NO.	Length (mm)	Absolute Error,	Relative Error,	Percentage Error,
1
2
3
4
5
Average,

Literature.
https://www.studysmarter.co.uk/explanations/physics/fundamentals-of-physics/error-calculation/