🧠 Mindmap Magic: Unlocking the World of Physical Quantities 🌈

Rainbow Mind Map: Physical Quantities

1. What are Physical Quantities? Measurable properties of matter or phenomena, expressed with a unit. Example: Mass, Time, Temperature.

2. Types of Physical Quantities Fundamental: Basic quantities like mass, length, time.
Derived: Formed from combinations of fundamental ones. Example: Speed = Distance / Time

3. Seven Fundamental Quantities in SI 1. Length
2. Mass
3. Time
4. Temperature
5. Electric current
6. Luminous intensity
7. Amount of substance

4. Derived Quantities • Speed = Distance / Time (m/s)
• Area = Length × Breadth (m²)
• Volume = Length × Breadth × Height (m³)

5. Systems of Units • CGS: centimetre, gram, second
• FPS: foot, pound, second
• MKS: metre, kilogram, second
• SI: Modern International system used globally

6. SI Units of Key Quantities • Mass = kilogram (kg)
• Length = metre (m)
• Time = second (s)
• Temperature = kelvin (K)

7. Submultiples and Multiples • Submultiples: milli (10⁻³), micro (10⁻⁶), nano (10⁻⁹)
• Multiples: kilo (10³), mega (10⁶), giga (10⁹)

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