One main scale division of a vernier callipers is 'a' cm and nth division of the vernier scale coincide with(n -1)th division of the main scale. The least count of the callipers in mm is :
One main scale division of a vernier callipers is 'a' cm and nth division of the vernier scale coincide with(n -1)th division of the main scale. The least count of the callipers in mm is :
Option 1 - <p><span lang="EN-IN">10na/(n-1)</span></p>
Option 2 - <p><span lang="EN-IN">10a/(n </span><span lang="EN-IN">-</span><span lang="EN-IN">1)</span></p>
Option 3 - <p><span lang="EN-IN">10a/n</span></p>
Option 4 - <p><span lang="EN-IN">(n-1/10n)a</span></p>
1 Views|Posted 5 months ago
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Correct Option - 4
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Physics Units and Measurement 2025
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