A student measures certain lengths using a meter scale having least count equal to 1 mm.
Which one of the following measurement is more precise?

A. power B. heat C. light D. distance

A. Weight and Velocity B. Weight and Force C. Weight and Mass D. Weight and Acceleration

A. cannot be measured B. can be expressed in the form of law C. can be represented completely by its magnitude and unit D. Both B and C

A. a-2, b-3, c-1, d-4 B. a-2, b-3, c-4, d-1 C. a-1, b-3, c-4, d-2 D. a-4, b-3, c-2, d-1