Question

While performing an experiment to establish relationship between weight of a rectangular wooden block lying on a horizontal table and the minimum force required to just move it using a spring balance, a student used the following spring balance. Its least count and range is :
(a) 1 g wt and 0 to 100 g wt
(b) 2 g wt and 0 to 100 g wt
(c) 2 g wt and 0 to 80 g wt
(d) 10 g wt and 0 to 1000 g wt

CBSE Class IX Science VSA (1 Mark)

Answer 1

(b) Least count is 2 g wt and range is 0 to 100 g wt.