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Q: Coming together, two soap bubbles becomes one. At the time of meeting their radii are r₁ and r₂ ( r₁ >r₂) the ratio of their common surface will be
  • A.
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  • B.
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  • C. (r₁ +r₂ )
  • D. (r₁ -r₂ )
Correct Answer: Option B -
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Explanations:

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