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
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