Physical Quantities
A physical quantity is anything that can be measured.
Base vs Derived
| Type | Example | Unit |
|---|---|---|
| Base | Length | metre |
| Base | Mass | kilogram |
| Derived | Speed | m/s |
| Derived | Force | newton |
Prefixes
- kilo (k) = 10³
- mega (M) = 10⁶
- milli (m) = 10⁻³
Class 9 · Chapter 1
Physical Quantities & Measurement
Physics · Class 9 · 1 min read
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