Physics

Physics

Problem

Diameter of a steel ball is measured using a Vernier callipers which has divisions of 0.1 cm on its main scale (MS) and 10 divisions of its vernier scale (VS) match 9 divisions on the main scale. Three such measurements for a ball are given as: [Main Online April 10, 2015]
S.No.MS(cm)VS divisions
1.0.58
2.0.54
3.0.56
If the zero error is −0.03-0.03 cm, then mean corrected diameter is: a. 0.52cm b. 0.59 cm c. 0.56 cm d. 0.53 cm

Browse the problem library