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प्रश्न
State the correction if the negative error is 7 divisions when the least count is 0.01 cm.
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उत्तर
When negative error is 7 divisions and count (L.C.) is 0.01 cm,
Then correction = (10 – 7) × 0.01 cm
= (3 × 0.01) cm
= + 0.03 cm
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