State whether the following statements are true or false:
$(a)$ Weight is a fundamental physical quantity.
$(b)$ $A$ micrometer is used to measure the size of an oleic acid molecule at the molecular level.
$(c)$ The dimensions of a derived quantity obtained from any fundamental quantity can never be zero.

  • A
    True
  • B
    False
  • C
    Cannot be determined
  • D
    None of the above

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Similar Questions

The dimensional formula of $\sqrt{\mu_r K}$ is equal to:

Match List-$I$ with List-$II$.
List-$I$List-$II$
$(a)$ Capacitance,$C$$(i)$ $M^{1} L^{1} T^{-3} A^{-1}$
$(b)$ Permittivity of free space,$\varepsilon_{0}$$(ii)$ $M^{-1} L^{-3} T^{4} A^{2}$
$(c)$ Permeability of free space,$\mu_{0}$$(iii)$ $M^{-1} L^{-2} T^{4} A^{2}$
$(d)$ Electric field,$E$$(iv)$ $M^{1} L^{1} T^{-2} A^{-2}$

Choose the correct answer from the options given below:

Identify the pair of physical quantities which have different dimensions.

The unit of "impulse per unit area" is the same as that of

Which of the following pairs have the same dimensions?

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