9th Physics Chapter1 Physical Quantities and Measurement

1. Explain the principle of operation of a lever balance in measuring mass.
2. Explain a simple method for measuring a short duration of time without using a clock.
3. Sound:
4. Explain the principle of operation of an electronic balance.
5. Nuclear Physics:
6. Describe a simple method for measuring the length of an irregularly shaped object.
7. Convert 9.8 x 10^3 to standard notation.
8. What is scientific notation?
9. Explain the concept of expressing measurements in scientific notation and how it aids in handling large or small values.
10. Explain the significance of the coefficient in scientific notation
11. Geophysics:
12. Discuss the concept of significant figures and their importance in conveying the precision of a measurement.