Physics
What is meant by zero error of a vernier callipers? How is it determined? Draw neat diagrams to explain it. How is it taken in account to get the correct measurement?
Related Questions
A screw gauge has a least count 0.001 cm and zero error + 0.007 cm. Draw a neat diagram to represent it.
What is backlash error? Why is it caused? How is it avoided?
Draw a neat labelled diagram of a vernier callipers. Name its main parts and state their functions.
Describe in steps, how would you use a vernier callipers to measure the length of a small rod?