JEE Mains Model Paper 12

The main scale of vernier calipers reads in millimeter and its vernier is divided into 10divisions which coincide with 9 divisions of the main scale. When the two jaws of theinstrument touch each other, the seventh division of the vernier scale coincides with a scaledivision and zero of the vernier lies to the right of the zero of the main scale. Furthermore,when a cylinder is tightly placed along its length between the two jaws, the zero of thevernier scale lies slightly to the left of 3.2 cm and the fourth vernier division coincides with ascale division. The measured length of the cylinder is …..