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Question
State whether the following statement is true or false by writing T/F against it.
A metre scale can measure a length of 6.346 cm.
Options
True
False
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Solution
False
because its least count is limited to 0.1 cm. thus this length can be measured with an instrument of least count of 0.001 cm i.e. screw gauge
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When does a vernier callipers has the negative error?
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(a) Measuring the diameter of the rod

(b) Measuring Internal diameter of a cavity

(c) Measuring depth of a cavity
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