One side of a cubical block is measured with the help of a Vernier calipers of Vernier constant 0.01 cm. This side comes out to be 1.23 cm. What is the percentage error in the measurement of area?
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a
1.230.01×100
b
0.011.23×100
c
2×0.011.23×100
d
3×0.011.23×100
answer is C.
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Detailed Solution
Percentage error in measurement of a side 0.011.23×100∴ Percentage error in measurement of area =2×0.011.23×100
One side of a cubical block is measured with the help of a Vernier calipers of Vernier constant 0.01 cm. This side comes out to be 1.23 cm. What is the percentage error in the measurement of area?