If the Column of Mercury in a Barometer Stands at 72.6

question 56

Multiple Choice

If the column of mercury in a barometer stands at 72.6 cm,what is the atmospheric pressure? (The density of mercury is 13.6 ´ 10³ kg/m³ and g = 9.80 m/s²)

• A)0.968 ´ 10⁵ N/m²
• B)1.03 ´ 10⁵ N/m²
• C)0.925 ´ 10⁵ N/m²
• D)1.07 ´ 10⁵ N/m²

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