Assertion :A vernier caliper has a positive error of 0.5 mm then the correction is -0.5 mm. Reason: In case of positive zero error, measured length is greater than the actual length.
A
Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
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B
Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
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C
Assertion is correct but Reason is incorrect
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D
Assertion is incorrect but Reason is correct
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Solution
The correct option is A Both Assertion and Reason are correct and Reason is the correct explanation for Assertion A vernier caliper has a positive error of 0.5 mm then the correction is -0.5 mm. As in case of positive zero error, measured length is greater than the actual length.