What are the primary or fundamental dimensions or units?

Answer: There are seven fundamental (or primary) dimensions i.e. length, mass, time, temp, electric current, amount of light, and amount of matter.

1. Length - meter (m)

2. Mass - kilogram (kg)

3. Time - second (s)

4. Temperature - kelvin (K)

5. Electric current - ampere (A)

6. Amount of light - candela (cd)

7. Amount of matter - mole (mol)

#basics #thermodynamics