Question
Question: The vernier constant of a travelling microscope is 0.001 cm. If 49 main scale divisions coincide wit...
The vernier constant of a travelling microscope is 0.001 cm. If 49 main scale divisions coincide with 50 main scale divisions, then the value of 1 main scale division is –
A
0.1 mm
B
0.4 mm
C
0.5 mm
D
1 mm
Answer
0.5 mm
Explanation
Solution
VC = 1MSD – 1VSD
0.001 = 1MSD – 0.98 MSD = 0.02 MSD
1MSD = 0.5 mm