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in Physics by (74.3k points)

Surface tension of a solution is 30 10-2 N / m The radius of the soap bubble is 5 cm. The surface energy of soap bubble is 

(a) 1.8 101 J

(b) 1.8 102

(c) 1.0 10-1 J

(d) 1.8 10-2 J

1 Answer

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Best answer

Correct option: (d) 1.8 x 10-2 J

Explanation:

Surface tension of solution (T) = 30-12 10 N / m

Radius of the soap bubble (r) = 5 cm = 0.05 m

Since, the bubble has two spherical surface,

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