Upgrad
LCI Learning

Share on Facebook

Share on Twitter

Share on LinkedIn

Share on Email

Share More

Standards of Weights and Measures Act,1976

Act No : 60


Section : Base unit of time.

7. Base unit of time. (1) The base unit of time shall be the second. (2) The "second" is the duration of 9 192 631 770 periods of the radiation corresponding to the transition between the two hyperfine levels of the ground state of the caesium-133 atom.


Read All Comments

Comments