Question

Which of the following statements is incorrect? If dimensions are given, physical quantity may not be unique Numerical constants cannot be deduced by method of dimensions The method of dimensions can be used to derive relations other than product or power function A dimensionless quantity may have units but a unitless quantity cannot have dimensions​

Answer 1

Answer:

A dimensionless quantity may have units but a unitless quantity cannot have dimensions​.

Explanation:

   

      Complete step by step answer: Units are used as a measure to obtain quantities in the physical world. ... So dimensionless physical quantities can have units. When considering unitless quantities it is impossible for them to have any dimension, since a unitless quantity does not have dimensions.