Question:

1.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

Answer :

b) Greater than 40 N/m^2

Answer Steps :

Solution :-

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