in a spring balance the space between zero and 25 g marks is divided into 5 equal parts. the least count of the spring balance is
1. 5 g wt
2. 2.5 g wt
3. 25 g wt
4. 0.25 g wt
Correct option is (a).
Least count of an instrument is the minimum value that we can take from it.
Least count = 25/5 = 5 g