search
Q: ______ has divisions which are slightly shorter than those of the main scale and in which n divisions on the vernier scale are equal in length to (n- 1) divisions on the main scale.
  • A. Direct vernier
  • B. Extended vernier
  • C. Double vernier
  • D. Retrograde vernier
Correct Answer: Option A -
answer image

Explanations:

explanation image