Match the following: a) Coincidence method of measurement i) Measurement of a mass on equal arm b) Deflection method of measurement ii) Measurement of length by Vernier caliper c) Direct method of measurement iii) Measurement of mass by spring balance d) Differential method of measurement iv) Measurement of length by a comparator

• A. a-ii, b-iii, c-i, d-iv
• B. a-iv, b-i, c-ii, d-iii
• C. a-ii, b-iv, c-iii, d-i
• D. a-i, b-ii, c-iii, d-iv