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A glass tube of uniform internal radius (r) has a valve separating the two identical ends. Initially, the valve is in a tightly closed position.
End 1 has a hemispherical soap bubble of radius r. End 2 has sub-hemispherical soap bubble as shown in figure. Just after opening the valve,
  • a)
    air from end 1 flows towards end 2. No change in the volume of the soap bubbles
  • b)
    air from end 1 flows towards end 2. Volume of the soap bubble at end 1 decreases
  • c)
    no changes occurs
  • d)
    air from end 2 flows towards end 1. volume of the soap bubble at end 1 increases
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
A glass tube of uniform internal radius (r) has a valve separating the...
We know th at excess pressure in a soap bubble is inversely proportional to its radius. The soap bubble at end 1 has small radius as compared to the soap bubble at end 2 (given). Therefore excess pressure at 1 is more.
As the value is opened, air flows from end 1 to end 2 and the volume of soap bubble at end 1 decreases.
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A glass tube of uniform internal radius (r) has a valve separating the two identical ends. Initially, the valve is in a tightly closed position.End 1 has a hemispherical soap bubble of radius r. End 2 has sub-hemispherical soap bubble as shown in figure. Just after opening the valve,a)air from end 1 flows towards end 2. No change in the volume of the soap bubblesb)air from end 1 flows towards end 2. Volume of the soap bubble at end 1 decreasesc)no changes occursd)air from end 2 flows towards end 1. volume of the soap bubble at end 1 increasesCorrect answer is option 'B'. Can you explain this answer?
Question Description
A glass tube of uniform internal radius (r) has a valve separating the two identical ends. Initially, the valve is in a tightly closed position.End 1 has a hemispherical soap bubble of radius r. End 2 has sub-hemispherical soap bubble as shown in figure. Just after opening the valve,a)air from end 1 flows towards end 2. No change in the volume of the soap bubblesb)air from end 1 flows towards end 2. Volume of the soap bubble at end 1 decreasesc)no changes occursd)air from end 2 flows towards end 1. volume of the soap bubble at end 1 increasesCorrect answer is option 'B'. Can you explain this answer? for JEE 2024 is part of JEE preparation. The Question and answers have been prepared according to the JEE exam syllabus. Information about A glass tube of uniform internal radius (r) has a valve separating the two identical ends. Initially, the valve is in a tightly closed position.End 1 has a hemispherical soap bubble of radius r. End 2 has sub-hemispherical soap bubble as shown in figure. Just after opening the valve,a)air from end 1 flows towards end 2. No change in the volume of the soap bubblesb)air from end 1 flows towards end 2. Volume of the soap bubble at end 1 decreasesc)no changes occursd)air from end 2 flows towards end 1. volume of the soap bubble at end 1 increasesCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for JEE 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A glass tube of uniform internal radius (r) has a valve separating the two identical ends. Initially, the valve is in a tightly closed position.End 1 has a hemispherical soap bubble of radius r. End 2 has sub-hemispherical soap bubble as shown in figure. Just after opening the valve,a)air from end 1 flows towards end 2. No change in the volume of the soap bubblesb)air from end 1 flows towards end 2. Volume of the soap bubble at end 1 decreasesc)no changes occursd)air from end 2 flows towards end 1. volume of the soap bubble at end 1 increasesCorrect answer is option 'B'. Can you explain this answer?.
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