Tag: fundamental and derived quantities

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Questions Related to fundamental and derived quantities

Multiple choice physics measurements and units some examples of derived units fundamental and derived quantities fundamental and derived units

Among the following identify derived quantities?

  1. Speed

  2. Temperature

  3. Volume

  4. Mass
Reveal answer Fill a bubble to check yourself
A,C Correct answer
Explanation

(A) Speed $\displaystyle = \frac{distance}{time}$ - a derived quantity of length and time.
(B) Temperature - fundamental quantity.
(C) Volume (cube of length) - a derived quantity of length.
(D) Mass - fundamental quantity.

Multiple choice physics measurements and units some examples of derived units fundamental and derived quantities fundamental and derived units

Which of the following is larger unit of density ?

  1. $gm^{-3}$
  2. $gkm^{-3}$
  3. $kgm^{-3}$
  4. $gcm^{3}$
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation
m is the mass of an object divided by its volume. Density often has units of grams per cubic centimeter (g/cm3). Remember, grams is a mass and cubic centimeters is a volume (the same volume as 1 milliliter).