If the Column of Mercury in a Barometer Stands at 69.4

question 22

Multiple Choice

If the column of mercury in a barometer stands at 69.4 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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Definitions:

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