Q 1184367257.     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

JEE 2012 Mains
A

`58.59^0`

B

`58.77^0`

C

`58.65^0`

D

`58.65^0`

HINT

Actual Reading = `M.S.R + V.S.R`

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