Question
Question: The smallest division on the main scale of a verniercallipers is 1 mm, and 10 vernierdivision coinci...
The smallest division on the main scale of a verniercallipers is 1 mm, and 10 vernierdivision coincide with 9 scale divisions. While measuring the diameter of a sphere, the zero mark of the vernier scale lies between 2.0 and 2.1cm and the fifth division of the vernier scale coincide with a scale division. What is the diameter of the sphere ?
A
2.15 cm
B
2.00 cm
C
2.05 cm
D
2.10 cm
Answer
2.05 cm
Explanation
Solution
LC = 101 mm = 0.01 cm
diameter = 2 + 5 × (0.01)
= 2.05 cm.