Find the work done in blowing a soap bubble
WebFeb 15, 2024 · Best answer Data : r = 4 cm = 4 × 10-2 m, T = 25 × 10-3 N/m Initial surface area of soap bubble = 0 Final surface area of soap bubble = 2 × 4πr2 Increase in surface area = 2 × 4πr 2 The work done = surface tension x increase in surface area = T × 2 × 4πr2 = 25 × 10-3 × 2 × 4 × 3.142 × (4 × 10-2)2 = 1.005 × 10-3 J ← Prev Question Next … Web41/3W Solution: The work done will be against surface tension and we know that surface tension is related to work as W = T × ΔA Since, the surface area of sphere is 4πR2 and there are two free surfaces, we have W = T ×8πR2 ... ( i) and volume of sphere = 34πR3 i.e. V = 34πR3 ⇒ R = (4π3V)1/3 ... ( ii) From Eqs. ( i) and ( ii) , we get
Find the work done in blowing a soap bubble
Did you know?
WebAug 23, 2024 · Subscribe. 1.7K views 2 years ago. Calculate the work done in blowing out a soap bubble of diameter 1 cm. given that the surface tension of soap solution is `28 xx 10^ (-3) Nm^ ( … WebSep 24, 2024 · We have to find the work done in blowing a soap bubble to a radius of 1 cm and the surface tension of the soap solution is 2.5 × 10⁻² N/m. solution : radius of soap bubble , r = 1 cm = 0.01 m . surface …
WebJun 12, 2024 · asked Jun 12, 2024 in Physics by HimanshuJain (91.5k points) closed Nov 1, 2024 by HimanshuJain. Calculate the work done in blowing out a soap bubble of … WebCalculate the work done in blowing out a soap bubble of diameter 1.0cm .the surface tension of soap solution is 0.028N/m Calculate the work done in blowing out a soap …
WebDec 20, 2024 · Mix 4 cups (950 mL) of warm water with 1⁄2 cup (120 mL) of liquid dish soap and 1/2 cup (100 g) of granulated sugar for an easy bubble solution. Add glycerin or corn syrup to your bubble solution for bubbles that float longer before they pop. Customize your bubble solution by adding food coloring, essential oils, or glow-in-the-dark paint. WebApr 9, 2024 · Formula used: Work done, W = T × Δ A where T is the surface tension and Δ A is the change in surface area. Surface area of the soap bubble, A = 4 π r 2 where r is …
WebJan 21, 2024 · The surface tension of the soap solution is 30 Dyne/cm. Work done in blowing a soap bubble is given by, W = surface tension × change in total surface area. I need to inform you that a soap bubble …
WebTo find: W 1 : W 2 Formula: W = 2TdA Calculation: From the formula, Work done to blow both bubbles, W 1 = 2 T ( 4 π r 1 2) and W 2 = 2 T ( 4 π r 2 2) ∴ W W W 1 W 2 = ( r 1 r 2) 2 = ( 2 3) 2 ∴ W 1 : W 2 = 4 : 9 The ratio of work done to blow the bubbles is 4:9. Concept: Surface Tension Is there an error in this question or solution? golf distribution antibesWebMay 14, 2024 · The surface area of a soap bubble is 1.3 × 10-4 m2. The work done in making its bubble of radius 0.05 m by blowing will be - asked Mar 1, 2024 in Physics by Rohitpatil ( 54.5k points) heal swollen lymph nodesWebSolution The correct option is A 8 πr2T work done = change in surface area x surface tension W =T (Af−Ai)=T (8πr2) Suggest Corrections 5 Similar questions Q. Calculate the work done in blowing a soap bubble from a radius of 2 cm to 3 cm. The surface tension of the soap solution is 30 dyne cm−1. heal swollen handWebApr 9, 2024 · Formula used: Work done, W = T × Δ A where T is the surface tension and Δ A is the change in surface area. Surface area of the soap bubble, A = 4 π r 2 where r is the radius of the soap bubble. Volume of the soap bubble, V = … heals wool throwWebApr 1, 2024 · The mathematical formula for the work done to make the soap bubble is given as, W = σ × A Here, σ is the surface tension of the soap bubble and its standard … heals wooden light fittingsWebRadius of soap bubble = r The bubble always has two surfaces - the outer surface and the inner surface, thus the total surface area of bubble will be - Surface Area = 2 × 4πr 2 = 8πr 2 We know that, Work done = Surface Tension × Increase in the surface area Work done = S × (8πr² - 0) = 8πr 2 S golf distributors palmerston northWebSolution The correct option is A 8 πr2T work done = change in surface area x surface tension W =T (Af−Ai)=T (8πr2) Suggest Corrections 5 Similar questions Q. Calculate the … heals workington