Question

Name two scalar quantities which have all the three fundamental units

Answer 1

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✓length (metre)

✓mass (kilogram)

✓time (second)

✓electric current (ampere)

✓thermodynamic temperature (kelvin)

Answer 2

Explanation:

• Mass, length and time are the three fundamental quantities. The scalar quantities which have all three fundamental unis are as follows :
• Work done by an object is given by the dot product of force and displacement. Its dimensional formula is $[ML^2T^{-2}]$.

• Power is given by work done per unit. It is a scalar quantity. Its dimensional formula is $[ML^2T^{-3}]$

Hence, work done and power are  two scalar quantities which have all the three fundamental units.

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Name two scalar quantities which have all the three fundamental units

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