which cylinder is used to define standard mass in kilogram??
Answers
Answered by
1
Answer:platinum-iridium cylinder
The change comes after nearly 130 years: in 1889 a platinum-iridium cylinder was used to define how much mass one kilogram represented.
Explanation:
Answered by
1
Explanation:
platinum-iridium cylinder
The change comes after nearly 130 years: in 1889 a platinum-iridium cylinder was used to define how much mass one kilogram represented.
Similar questions