A \( 2 \times 10^{-3} \text{ m} \)
B \( 3 \times 10^{-3} \text{ m} \)
C \( 4 \times 10^{-3} \text{ m} \)
D \( 6 \times 10^{-3} \text{ m} \)
Correct Answer: Option B
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