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 $= 0.01 cm)$

8.36 cm

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8.58 cm

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8.54 cm

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8.56 cm

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Solution

The correct option is C $8.54 cm$
Correct Reading
$= (MSR + VSR \times LC) - Zero Error$

$= (8.5 + 6 \times 0.01) - 0.2 \times 10^{- 1}$

$= 8.54 cm$

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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 correct option is C 8.54 cmCorrect Reading =(MSR+VSR×LC)−Zero Error =(8.5+6×0.01)−0.2×10−1 =8.54 cm

The correct option is C $8.54 cm$
Correct Reading
$= (MSR + VSR \times LC) - Zero Error$

$= (8.5 + 6 \times 0.01) - 0.2 \times 10^{- 1}$

$= 8.54 cm$