Physics · Units and Measurements
The diameter of a metallic rod is measured using Vernier calipers with no zero error. The zero of the Vernier scale lies between 3.40 cm and 3.45 cm on the main scale. The Vernier scale has 50 divisions that coincide with 2.45 cm (49 divisions) on the main scale. If the 30th Vernier division aligns exactly with a main scale mark, what is the measured diameter of the rod?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 13.482 cm
- 23.450 cm
- 33.430 cm✓
- 43.411 cm
Correct answer
3.430 cm
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