How to read a SPECTROMETER (Least Count & Reading)  

Read ## Any Spectrometer ## in just four steps -
Step 1 - Find Least Count
Step 2 - Find Main Scale Reading
Step 3 - Find Vernier Scale Reading
Step 4 - Apply the formula
This video contains the easiest method to read a spectrometer used in optics. It also provides you a general method to read all kinds of similar vernier scales.
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