Which of the following is not a system of units?

Category: QuestionsWhich of the following is not a system of units?
Editor">Editor Staff asked 1 year ago

Which of the following is not a system of units?
 
(a) MKS
 
(b) CGS
 
(c) SI
 
(d) Decibel
 
This question was addressed to me during an interview for a job.
 
I need to ask this question from The International System of Units topic in section Units and Measurements of Physics – Class 11
Select the correct answer from above options 
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1 Answers
Editor">Editor Staff answered 1 year ago

Right option is (d) Decibel
 
Best explanation: MKS stands for meter-kilogram-second. CGS stands for centimeter-gram-second. SI stands for System international. Decibel is a unit of sound intensity.