The vernier-scale used for measurement has a positive zero error of 0.2 mm. If while taking a measurement it was noted that '0' on the vernier-scale lies between 8.5 cm and 8.6 cm, vernier coincidence is 6, then the correct value of measurement is …………… cm. (least count = 0.01 cm)
The vernier-scale used for measurement has a positive zero error of 0.2 mm. If while taking a measurement it was noted that '0' on the vernier-scale lies between 8.5 cm and 8.6 cm, vernier coincidence is 6, then the correct value of measurement is …………… cm. (least count = 0.01 cm)
Option 1 -
8.36 cm
Option 2 -
8.58 cm
Option 3 -
8.54 cm
Option 4 -
8.56 cm
Asked by Shiksha User
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1 Answer
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Correct Option - 3
Detailed Solution:Positive zero error = 0.02 cm
Reading = 8.5 + 6 * 0.01 = 8.56 cm
Actual reading = Reading - Positive zero error
Actual reading = 8.56 - 0.02 = 8.54 cm
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