Question

What is the least count of the screw gauge!
() If 40th division of the curcular scale coincides with the mam scale
line, what is the final reading
(iii) What do you mean by back-lash error of a serew gauge?
c) The time periods of two pendulums at a place are in ratio 2:1. What w​

Answer 1

Answer:

hope this answer will help you