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A soap bubble has radius 2 cm. the work done in bobbling the radius is (Surface tension is 30 dynes/cm). (a) 9050 erg (b) 4525 erg (c) 8050 erg (d) 3525 erg

A soap bubble has radius 2 cm. the work done in bobbling the radius is
(Surface tension is 30 dynes/cm).
(a) 9050 erg (b) 4525 erg
(c) 8050 erg (d) 3525 erg

Grade:Upto college level

2 Answers

Saurabh Koranglekar
askIITians Faculty 10335 Points
2 years ago
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Vikas TU
14149 Points
2 years ago
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Dear student 
Please refer the clear image , 
The image above does not looks good , it is blurr.
Hope for the best 
Good Luck 
Cheers 

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