SATHEE: Properties Of Solids And Liquids Question 309

Properties Of Solids And Liquids Question 309

Question: If the surface tension of a soap solution is 0.03 MKS units, then the excess of pressure inside a soap bubble of diameter 6 mm over the atmospheric pressure will be

Options:

A) Less than $40 N / m^{2}$

B) Greater than $40 N / m^{2}$

C) Less than $20 N / m^{2}$

D) Greater than $20 N / m^{2}$

Show Answer

Answer:

Correct Answer: B

Solution:

$Δ P = \frac{4 T}{r} = 40 N / m^{2}$

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Properties Of Solids And Liquids Question 309

Question: If the surface tension of a soap solution is 0.03 MKS units, then the excess of pressure inside a soap bubble of diameter 6 mm over the atmospheric pressure will be

Options:

Answer:

Solution:

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