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A soap bubble...

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A soap bubble of radius R and film thickness t (t<

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Q. A soap bubble of radius

R

with wall thickness

t

is charged to a potential

V_{0}

. The bubble bursts and becomesa spherical drop of soap solution of radius

r

. Now, it has potential,

V

. Assume, the soap solution to be a conductor.

Then the charge carried by the soap bubble is :

Q. A spherical soap bubble has a radius

^{'} r^{'}

. The surface tension of the soap film is

T

.The energy needed to double the diameter of the bubble at the same temperature is:

Q. A soap bubble of radius

r_{1}

is placed on another soap bubble of radius

r_{2} (r_{1} < r_{2})

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of the soap film separating the two bubbles is:

Q. A soap bubble of radius

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is placed on another soap bubble of radius

r_{2} (r_{1} < r_{2})

R

of the soapy film separating the two bubbles is:

Q. A soap bubble of radius

r_{1}

is placed on another soap bubble of radius

r_{2} (r_{1} < r_{2})

R

of the soapy film separating the bubbles is

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