Question

A Vernier caliper has 10 divisions on the vernier scale. if one centimetre of the main scale is divided into five equal parts,find the best least count of the given vernier calliper.

Answer 1

Answer:

In a vernier callipers,there are 10 divisions on the vernier scale and 1 cm on the main scale is divided in 10 parts. While measuring a length , the zero of the vernier lies just ahead of 1.8 cm mark and 4th division of vernier coincides with a main scale division.

Answer 2

Answer:

least count will be 0.2 mm

= 0.02cm.

Explanation:

least count of Vernier caliper is= 1 mm/10

= 0.01cm

= 0.1 mm

main scale reading 1cm= 10 mm/ 5

= 2 mm

least count =2mm/10

=0.2mm

= 0.02 cm

hope my answers are correct.