# The work done in blowing a soap bubble of radius R is W1 and that to a radius 3R is W2. the ratio of work done is Option 1) 1:3 Option 2) 3:1 Option 3) 1:9 Option 4) 9:1

As we discussed in

Work Done in Stretching Wire / Elastic P.E. -

- wherein

L - Length of wire

- increase in length

Option 1)

1:3

Incorrect

Option 2)

3:1

Incorrect

Option 3)

1:9

Correct

Option 4)

9:1

Incorrect

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