In a vernier callipers, smallest division on the main scale is `1mm`, while the vernier scale ha
Channel: Doubtnut
Date: 2020-02-09

In a vernier callipers, smallest division on the main scale is `1mm`, while the vernier scale have `20` divisions. When fixed jaw touches with movable jaw, zero of vernier scale lies on the right of the zero of the main scale and `15th` division of vernier scale coincides with any division of main scale. What is the type of zero error and its value?