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Question
Name the part of the vernier callipers which is used to measure the following
Internal diameter of a mug
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Solution
Inside jaws
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A vernier callipers has its main scale graduated in mm and 10 divisions on its vernier scale are equal in length to 9 mm. When the two jaws are in contact, the zero of the vernier scale is ahead of the zero of the main scale and the 3rd division of the vernier
scale coincides with a main scale division.
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