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The intensity of pressure developed by the surface tension of 0.075 N/m in a droplet of water of 0.075 mm diameter is
  • a)
    0.8 N/cm2
  • b)
    0.6 N/cm2
  • c)
    0.4 N/cm2
  • d)
    400 N/cm2
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
The intensity of pressure developed by the surface tension of 0.075 N...
The intensity of pressure (P) developed by surface tension (σ) is given by
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The intensity of pressure developed by the surface tension of 0.075 N...
Calculation of Surface Tension Pressure

Given:

Surface tension (𝜎) = 0.075 N/m

Diameter of droplet (d) = 0.075 mm = 0.000075 m


Formula:

The pressure developed by surface tension is given by:

P = (4𝜎/d)


Calculation:

Substituting the given values in the formula, we get:

P = (4 x 0.075)/(0.000075)

P = 400 N/m2


Converting the answer to N/cm2:

1 N/m2 = 0.01 N/cm2

So, P = 400 x 0.01 = 4 N/cm2


Therefore, the intensity of pressure developed by the surface tension of 0.075 N/m in a droplet of water of 0.075 mm diameter is 0.4 N/cm2.
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The intensity of pressure developed by the surface tension of 0.075 N/m in a droplet of water of 0.075 mm diameter isa)0.8 N/cm2b)0.6 N/cm2c)0.4 N/cm2d)400 N/cm2Correct answer is option 'C'. Can you explain this answer?
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The intensity of pressure developed by the surface tension of 0.075 N/m in a droplet of water of 0.075 mm diameter isa)0.8 N/cm2b)0.6 N/cm2c)0.4 N/cm2d)400 N/cm2Correct answer is option 'C'. Can you explain this answer? for Railways 2024 is part of Railways preparation. The Question and answers have been prepared according to the Railways exam syllabus. Information about The intensity of pressure developed by the surface tension of 0.075 N/m in a droplet of water of 0.075 mm diameter isa)0.8 N/cm2b)0.6 N/cm2c)0.4 N/cm2d)400 N/cm2Correct answer is option 'C'. Can you explain this answer? covers all topics & solutions for Railways 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The intensity of pressure developed by the surface tension of 0.075 N/m in a droplet of water of 0.075 mm diameter isa)0.8 N/cm2b)0.6 N/cm2c)0.4 N/cm2d)400 N/cm2Correct answer is option 'C'. Can you explain this answer?.
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