सामान्य ज्ञान : विज्ञान

माप की मानक इकाई कब बनाई गई थी? , When was standard unit of measurement created ?

माप की मानक इकाई कब बनाई गई थी?

When was standard unit of measurement created ?
A. 1970

B. 1900

C. 1980

D. 1950



Correct Answer :

A. 1970



Explanation
In 1970 a standard unit of measurement was created.
CCC Online Test , CCC MCQ Python Programming Tutorials Best Computer Training Institute in Prayagraj (Allahabad) O Level NIELIT Study material and Quiz career counselling in allahabad Website development Company in Allahabad