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What is the pressure inside a drop of mercury with a radius of 3.00 mm at room temperature (20 °C)? The surface tension of mercury at that temperature is 4.65 × 10–1 N m ⁻¹ , and the atmospheric pressure is 1.01 × 10 ⁵ Pa. What is the excess pressure inside the drop?

Options

  1. A310 Pa
  2. B620 Pa
  3. C155 Pa
  4. D775 Pa

Correct answer

A. 310 Pa

Step-by-step solution

Correct Option is : (A) 310 Pa

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