A spectrometer gives the following reading when used to measure the angle of a prism.
Channel: Doubtnut
Date: 2020-07-05

A spectrometer gives the following reading when used to measure the angle of a prism.Main scale reading : `58.5 degree` Vernier scale reading : `09` divisions  Given that `1` division on main scale correspods to `0.5` degree.  Total divisions on the vernier scale is `30` and match with `29` divisions of the main scale. the angle of the prism from the above data: