"The surface tension of soap solution at a temperature 20°C is 2.5 × 10–2 N m–1. The excess pressure inside a bubble of soap solution of radius 6 mm is (a) 12.5 Pa (b) 14.2 Pa (c) 15.5 Pa (d) 16.7 Pa"
Added by Ram M.
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5 \times 10^{-2} \, \text{N m}^{-1} \) Radius of soap bubble, \( r = 6 \, \text{mm} = 6 \times 10^{-3} \, \text{m} \) Show more…
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The surface tension of soap solution at a temperature $20^{\circ} \mathrm{C}$ is $2.5 \times 10^{-2} \mathrm{~N} \mathrm{~m}^{-1}$. The excess pressure inside a bubble of soap solution of radius $6 \mathrm{~mm}$ is (a) $12.5 \mathrm{~Pa}$ (b) $14.2 \mathrm{~Pa}$ (c) $15.5 \mathrm{~Pa}$ (d) $16.7 \mathrm{~Pa}$
Madhur L.
What is the pressure inside a bubble of soap solution of radius 5 mm , given that the surface tension of soap solution at temperature (20c) is 2.5*10^-2 N/m? density of the soap bubble = 1.20 kg/m^3
Vipin K.
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