Physics - Unit & Dimension Question with Solution | TestHub

PhysicsUnit & DimensionMiscellaneousMedium2 minQB
PhysicsMediummultiple choice

Which of the following quantities cannot enter into the list of fundamental quantities in any system of units?

Options:(select one or more)

Answer:
B, C
Solution:

Fundamental quantities must be dimensionally independent of one another.

(B) Volume has dimensions , so it depends on Length - the set cannot serve as fundamental. (C) Linear momentum = mass x velocity, so it depends on the other two - cannot serve as fundamental.

(A) Mass, Time, Acceleration and (D) Length, Force, Time are independent sets - they can be fundamental.

Correct options: B, C

Subject:PhysicsTopic:Unit & DimensionSubtopic:Miscellaneous
⏱ 2mℹ️ Source: QB

Doubts & Discussion

Loading discussions...