Question

A spring balance is graduated to measure 100gwt and each 10g part is divides into 20 divisions.find d least count and range of the spring balance?

Answer 1

Least count
= 10 g/number of divisions
= 10/20
= 0.5 g
____________________

Answer 2

1 st division = 0 to 10 g

No : of divisions between 10 grams = 20

Least count = First division ÷ No : of division
= 10 ÷ 20 = 0.5 g


Range = 0 - 100 gwt