Question

9. What is the least count of the following instruments?
(a) Metre scale
(b) Wall clock
(c) Celsius thermometer
(d) Vernier calliper​

Answer 1

(a) Metre scale <> 0.2 mm

(b) Wall clock <> 1 sec

(c) Celsius thermometer <> 0.2° C

(d) Vernier calliper <> 0.1 mm

HOPE THIS WILL HELP YOU !!!

Answer 2

Answer:

a) Metre scale. - 0.2mm

(b) Wall clock- 1 sec

(c) Celsius thermometer - 0.2°C

(d) Vernier calliper. - 0.1mm