Units are obtained from the mathematical combination of two or more basic units
Physical quantity
Derived units
SI units
Basic units
Question 17 : Candela is the SI unit for
Light intensity
Concentration
Temperature
Current
Question 18 : if a mass of 5 g is given its equivalent in kg wi be
0.05 kg
5 kg
0.005 kg
0.5 kg
Question 19 : SI units were adopted in order to
None of the Options
make all measurements equal
adopt common units of measurement
change units
Question 20 : Given the expression for the general gas PV = nRTequation, find R
PV/nT
PV/RT
RT/PV
nT/RT
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