Question

what is the ratio of 1mm and 1nm
please tell me the answer
it's of physics of class 9​

Answer 1

Explanation:

$1nm = {10}^{ - 6} mm \\ then \: 1mm = {10}^{6} \\ then \: ratio \: = 1: 1000000$

or

1 : 10^6

hope this helps u.......,