Podcast
Questions and Answers
What is the international system of units (SI) primarily based on?
What is the international system of units (SI) primarily based on?
- Random errors and their units
- Derivative quantities and their units
- Systematic errors and their units
- Fundamental quantities and their units (correct)
Which type of errors occur in all measurements and are contributed by background noise or mechanical vibrations in the laboratory?
Which type of errors occur in all measurements and are contributed by background noise or mechanical vibrations in the laboratory?
- Systematic errors
- No errors
- Random errors (correct)
- Accurate measurements
What do conversion factors help in doing for physical quantities?
What do conversion factors help in doing for physical quantities?
- Determining dimensions of physical quantities
- Defining the standard of time
- Converting units from one system to another (correct)
- Eliminating errors in measurements
What does dimensional analysis help in checking for physical formulas?
What does dimensional analysis help in checking for physical formulas?
Which system is primarily used for expressing physical quantities using the international system of units (SI)?
Which system is primarily used for expressing physical quantities using the international system of units (SI)?