A vernier calipers has 50 VSD = 48 MSD and 1 MSD = 0.5 mm. Which statements are correct?

Select all that apply

• Option A

  The least count is 0.02 mm.

• Option B

  The least count is 0.01 mm.

• Option C

  The 25th vernier coincidence contributes 0.50 mm.

• Option D

  A positive zero error of +0.06 mm requires a zero correction of -0.06 mm.