The soap bubble in air has surface tension 0.027 Nm-¹. The excess pressure inside a bubble of diameter 30 mm in SI unit is: - VgyanHub

Question:

The soap bubble in air has surface tension 0.027 Nm-¹. The excess pressure inside a bubble of diameter 30 mm in SI unit is:

Options :

(a) 7.2
(b) 14.4
(c) 72
(d) 36

Answer :

(a) 7.2

Answer Steps :

Step 1:

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