If the column of mercury in a barometer stands at 73.8 cm,what is the atmospheric pressure? (The density of mercury is 13.6 × 10³ kg/m³ and g = 9.80 m/s²) A) 0.984 × 10⁵ N/m² B) 98.361 × 10⁵ N/m² C) 1.184 × 10⁵ N/m² D) 0.018 × 10⁵ N/m² E) 1.024 × 10⁵ N/m²

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Quizplus · Accepted Answer

Atmospheric pressure = height of mercury column × density of mercury × acceleration due to gravity= 73.8 × 10^-2 m × 13.6 × 10³ kg/m³ × 9.80 m/s²= 98.361 × 10³ N/m²= 0.984 × 10⁵ N/m²

If the Column of Mercury in a Barometer Stands at 73.8