If 50 Vernier divisions are equal to 49 main scal divisions of a travelling microscope and on smallest reading of main scale is 0.5 mm, th Vernier constant of travelling microscope is:

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Correct answer: D. (d) 50 V+S=49 S+S S=50(S-V) .5=50 (S-V S-V= 0.550= 1100=0.01 mm

$If 50 Vernier divisions are equal to 49 main scal divisions of a travelling microscope and on smallest reading of main scale is 0.5 mm, th Vernier constant of travelling microscope is:$

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