Q6. Screw gauge can give more precise length than vernier calipers. Briefly explain why?
Ans: Screw gauges can give more precise lengths than vernier calipers because of the smaller least count of screw gauges. Explanation: The smaller the least count of an instrument, the more precise will be its reading. A typical screw gauge has a least count of 0.01 mm or 0.001 cm while a typical vernier caliper … Read more