A micrometer is used to measure the diameter of a thin metallic wire.
The micrometer has a zero error of -0.03 mm. The measured value of the diameter from the micrometer scale is 1.41 mm.
What is the correct cross-sectional area of the wire?
1.50×10−6 m21.50 \times 10^{-6}\text{ m}^21.50×10−6 m2
1.56×10−6 m21.56 \times 10^{-6}\text{ m}^21.56×10−6 m2
1.63×10−6 m21.63 \times 10^{-6}\text{ m}^21.63×10−6 m2
6.51×10−6 m26.51 \times 10^{-6}\text{ m}^26.51×10−6 m2
