A U-tube contains water and methylated spirit separated by mercury. The mercury columns in the two arms are in level with 10 cm of water in one arm and 12.5 cm of spirit in the other. What is the specific gravity of spirit?

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Ranjit Singh

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For this question you need to understand what is the specific garvity . Its the ratio of density of substance to the density of water. Since the mercury level is same level means pressure due to water is equal to pressure due to spirit. Water pressure = spirit pressure. h1 d1 g = h2 d2 g d2 = h1...
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For this question you need to understand what is the specific garvity . Its the ratio of density of substance to the density of water. Since the mercury level is same level means pressure due to water is equal to pressure due to spirit. Water pressure = spirit pressure. h1 d1 g = h2 d2 g d2 = h1 d1 / h2 10 × 1 / 12.5 = 0.8g/ cm^3 Specific gravity of spirit = 0.8 / 1 = 0.8 Thanks www.tuitionrocks.com read less
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