Question

The physical quantity having the same unit in all the systems of unit is _______.A. length
B. timeC. mass
D. foot

Answer 1

I think the answer is mass

Answer 2

Answer:

TIME

Explanation:

The physical quantity having the same unit in all the systems of unit is _______.A. length  

B. timeC. mass  

D. foot

M.K.S.    -   uses the metre, kilogram, and second  as base units.

C.G.S.  -   Used centimeter–gram–second as base units.

F.P.S.  -  Used foot–pound–second  as base unit

S.I. -  uses the metre, kilogram, and second  as base units and for another units

Time has the same base unit in all system : Seconds

Length :  Inches, Feet, Yards, Miles  ,    Millimeters, Centimeters, Meters, Kilometers

Time     :  Seconds, Minutes, Hours  ,      Seconds, Minutes, Hours

Mass     : Ounces, Pounds   ,                 Grams, Kilograms

foot is not a physical quantity