Ratio of sizes of two bubbles or drops from their excess pressures
This type of question, asked 16 times: 2 May 2023 S1, 3 May 2023 S1, 3 May 2023 S2, 4 May 2023 S1, 10 May 2023 S2, 9 May 2024 S1, 12 May 2024 S1, 22 Apr 2025 S2, 23 Apr 2025 S1, 15 Apr 2026 S1, 15 Apr 2026 S2, 17 Apr 2026 S1, 17 Apr 2026 S2, 19 Apr 2026 S1, 13 May 2026 S2, 14 May 2026 S2. All 17 questions below, oldest first.
Try each one first, then open its answer.
Question 1
2 May 2023 S1
16The pressure inside a soap bubble A is 1.01 atmosphere and that in a soap bubble B is 1.02 atmosphere. The ratio of volume of A to that of B isTap an option to check your answer.
Question 2
3 May 2023 S1
32The pressure inside two soap bubbles, (A) is 1.01 and that of (B) is 1.02 atmosphere respectively. The ratio of their respective radii (A to B) is (outside pressure atm.)Tap an option to check your answer.
Question 3
3 May 2023 S2
33The pressure inside a soap bubble A is 1.01 atmosphere and that in a soap bubble B is 1.02 atmosphere. The ratio of volume of bubble A to that of B is [Surrounding pressure = 1 atmosphere]Tap an option to check your answer.
Question 4
4 May 2023 S1
38The excess pressure inside a spherical drop of water A is four times that of another drop B. Then the ratio of mass of drop A to that of drop B isTap an option to check your answer.
Question 5
10 May 2023 S2
8Two soap bubbles having radii '' and '' have inside pressure '' and '' respectively. If is external pressure then ratio of their volumes isTap an option to check your answer.
Question 6
9 May 2024 S1
4The excess of pressure in a first soap bubble is three times that of other soap bubble. Then the ratio of the volume of first bubble to other isTap an option to check your answer.
Question 7
12 May 2024 S1
42The excess pressure inside a first spherical drop of water is three times that of second spherical drop of water. Then the ratio of mass of first spherical drop to that of second spherical drop isTap an option to check your answer.
Question 8
22 Apr 2025 S2
30The excess pressure inside a soap bubble is 1.5 times the excess pressure inside a second soap bubble. The volume of the second bubble is ' ' times the volume of the first bubble. The value of ' ' isTap an option to check your answer.
Question 9
23 Apr 2025 S1
4The excess pressure inside first soap bubble is three times that of a second soap bubble. The ratio of volumes of the first to second bubbleTap an option to check your answer.
Question 10
15 Apr 2026 S1
111The excess pressure inside the first soap bubble of radius is three times that inside the second soap bubble of radius . The ratio of volumes of the first bubble to second bubble isTap an option to check your answer.
Question 11
15 Apr 2026 S2
111The excess pressure inside the first soap bubble of radius is three times that inside the second soap bubble of radius . The ratio of volumes of the first to second bubble isTap an option to check your answer.
Question 12
17 Apr 2026 S1
109The excess pressure inside a spherical water drop A is four times that of another water drop B. Then, the ratio of the mass of water drop A to that of drop B isTap an option to check your answer.
Question 13
17 Apr 2026 S2
111Two soap bubbles, A and B, have radii in the ratio . The excess pressure inside the bubble A to that of B is in the ratioTap an option to check your answer.
Question 14
17 Apr 2026 S2
110The excess pressure inside the first soap bubble is three times that inside the second soap bubble. The ratio of the volume of the first soap bubble to the volume of the second soap bubble isTap an option to check your answer.
Question 15
19 Apr 2026 S1
110The pressures inside two soap bubbles A and B are atmosphere and atmosphere respectively. The ratio of volume of bubble A to that of bubble B is (outside pressure atmosphere)Tap an option to check your answer.
Question 16
13 May 2026 S2
113The excess pressure inside a spherical drop of water is four times that of another drop. Their respective mass ratio isTap an option to check your answer.
Question 17
14 May 2026 S2
110The excess pressure inside a spherical drop of water is four times that of another drop. Then, their respective mass ratio isTap an option to check your answer.