1.

The radius of a soap bubble is r and the surfacetension of soap solution is T. Keeping thetemperature constant, the extra energy needed todouble the radius of the soap bubble by blowing, is(1) 16 ㎡T(3) 8 TT(2) 32 ㎡T(4) 24 ㎡T

Answer» The radius of a soap bubble is r and the surfacetension of soap solution is T. Keeping thetemperature constant, the extra energy needed todouble the radius of the soap bubble by blowing, is(1) 16 ㎡T(3) 8 TT(2) 32 ㎡T(4) 24 ㎡T


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