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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:A. `58.59^(@)`B. `58.77^(@)`C. `58.65^(@)`D. `59^(@)`

Answer» Correct Answer - C


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