A mercury barometer reads 75 cm. If the tube be inclined by 60° from vertical, the length of mercury in the tube will be
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Step 1: The original length of mercury in the tube is 75 cm. Show more…
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A mercury barometer reads $75 \mathrm{~cm}$. If the tube be inclined by $60^{\circ}$ from vertical, the length of mercury in the tube will be (A) $37.5 \mathrm{~cm}$ (B) $150 \mathrm{~cm}$ (C) $\frac{75 \sqrt{3}}{2} \mathrm{~cm}$ (D) $100 \mathrm{~cm}$
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