Question

A student measures certain lengths using a
meter scale having least count equal to 1 mm.
Which one of the following measurements is more precise ?
(a) 0.50 mm
(b) 29.07 cm
(e) 0.925 m
(d) 910 mm

Answer 1

Answer:

b) 29.07 cm

Explanation:

Answer 2

Answer:

(a) 0.50 mm

Explanation:

it denotes the error of the scale,

if, 1m = 1000mm

you may see,

0.925 metre = 925 millimetres

then you can say it's not precise to 1mm

So, right answer is 0.50mm