Question Detail
Question
What is the main scale reading and vernier scale coincidence in the given vernier caliper description? (Image description not needed)
Correct Answer
Option A is the correct answer.
Detailed Explanation
Based on the provided textual description from the source material, a vernier caliper reading is shown as having a main scale reading of 2 mm and a vernier scale coincidence corresponding to 0.68 mm, giving a total length of 2.68 mm.
Hint
The main scale value is read to the left of the zero on the vernier. The vernier reading is where its marks align with the main scale.