Question
Question: In which year SI system of units was developed and recommended by General Conference on Weights and ...
In which year SI system of units was developed and recommended by General Conference on Weights and Measures?
A
1951
B
1961
C
1971
D
1981
Answer
1971
Explanation
Solution
The SI system of units was developed and recommended by General Conference on Weights and Measures in 1971.