A spectrometer gives the following reading
Question:

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 corresponds 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 :

 

  1. 59 degree

  2. $58.59$ degree

  3. $58.77$ degree

  4. $58.65$ degree


Correct Option: , 4

Solution:

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