Class 9 Physics: One-Word/Term Answers on Vernier Caliper
1. Instrument used to measure internal and external diameter accurately.
Vernier Callipers
2. The fixed scale on a Vernier Caliper.
Main Scale
3. The sliding scale on a Vernier Callipers.
Vernier Scale
4. The smallest value that can be measured accurately by a Vernier Caliper.
Least Count
5. Formula for least count of a Vernier Caliper.
1 MSD - 1 VSD
6. The jaws of Vernier Callipers used to measure external diameter.
Lower Jaws
7. The jaws used to measure the internal diameter.
Upper Jaws
8. The thin rod that comes out of Vernier Caliper to measure depth.
Depth Rod ( strip)
9. The error when zero of main scale and Vernier scale do not coincide when closed.
Zero Error
10. The correction applied when zero error is present.
Zero Correction
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