Q. Two helium filled balloons are floating next to each other at the ends of strings tied to a cable. The facing surfaces of the balloons are separated by 1 to $2\ cm$. If you blow through the opening between the balloons, then
A) They more away from each other
B) They move towards each other
C) They are unaffected
D) Nothing can be said about their separation
Explanation
The correct answer is Option B: They move towards each other.
A detailed explanation for this question is being prepared.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.