in a vernier calliper there are 10 divisions on the vernier scale and 1 cm on the main scale is divided in 10 parts. while measuring a length the zero of the vernier lies just ahead of 1.8 cm mark and 4th division of vernier coincides with a main scale division. find the length and if zero error of vernier calliper is -0.02 cm what is the correct length?
Answers
Answered by
4
correct reading is 1.42 cm
Similar questions