Physics · Units and Measurements
In an experiment with Vernier callipers of least count 0.1 mm, when the two jaws are joined together, the zero of the Vernier scale lies to the right of the main scale zero, and the 6th division of the Vernier scale coincides with a main scale division. While measuring the diameter of a spherical bob, the zero of the Vernier scale lies between 3.2 cm and 3.3 cm marks, and the 4th division of the Vernier scale coincides with a main scale division. The diameter of the bob is measured as:
- 13.22 cm
- 23.26 cm
- 33.25 cm
- 43.18 cm✓
Correct answer
3.18 cm
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