In the diagram shown in figure,  find the magnitude and nature of zero error
Channel: Doubtnut
Date: 2020-07-05

In the diagram shown in figure,  find the magnitude and nature of zero error.  img src="https://d10lpgp6xz60nq.cloudfront.net/physics_images/DCP_V01_C03_S01_002_Q01.png" width="80%"