Units & Measurements
Class 11 · Units & Measurements
Vernier Caliper
Measure a length to 0.01 cm with a live vernier scale — MSR + VSD × LC.
Key Notes
01
Least count (LC) = value of 1 main-scale division − value of 1 vernier-scale division.
02
Typical LC = 0.1 mm = 0.01 cm for a 10-division vernier.
03
Reading = main-scale reading (MSR) + (vernier-scale division that aligns) × LC.
04
Check for zero error first; subtract it from all readings.
Formulas
Reading
Full vernier reading.
Important Points
If 9 main divisions = 10 vernier divisions, LC = 1/10 of a main division.
Vernier Caliper notes from sciphylab (also known as SciPhy, SciPhy Lab, SciPhy Labs, Physics Lab). Class 11 physics revision for JEE Mains, JEE Advanced, NEET UG, AP Physics 1/2/C, SAT, and CUET-UG.