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A student measured the length of a rod and wrote it as 3.50 cm. Which instrument did he use to measure it ?
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Verified Answer
The correct answer is:
A vernier calliper where the 10 divisions in vernier scale matches with 9 division in main scale and main scale has 10 divisions in 1 cm
As per given data the Vernier has a least count of 0.01 cm, which is consistent with the information given in question.
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