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.
Length - meter (m)
Mass - kilogram (kg)
Time - second (s)
Temperature - kelvin (K)
Electric current - ampere (A)
Amount of light - candela (cd)
Amount of matter - mole (mol)
#basics #thermodynamics
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