An air bubble of radius 0.1 cm lies at a depth of 20 cm below the free surface of a liquid of density 1000 kg/m³. If the pressure inside the bubble is 2100 N/m² greater than the atmospheric pressure, then the surface tension of the liquid in SI unit is (use g=10 m/s²)

Properties of Solids and Liquids: JEE Main 2025 Physics question

JEE Main 2025 · 24 Jan, Morning shift · Q30

JEE Main 202524 Jan, Morning shiftPhysicsMediumProperties of Solids and Liquids184× since 2002

An air bubble of radius 0.1 cm lies at a depth of 20 cm below the free surface of a liquid of density

1000\ \mathrm{kg/m^3}

. If the pressure inside the bubble is

2100\ \mathrm{N/m^2}

greater than the atmospheric pressure, then the surface tension of the liquid in SI unit is (use

g=10\ \mathrm{m/s^2}

)

JEE Main 2025 Properties of Solids and Liquids Question with Solution (24 Jan Morning shift, Q30) | JEE Arc

JEE Main 2025 · 24 Jan, Morning shift · Q30

JEE Main 202524 Jan, Morning shiftPhysicsMediumProperties of Solids and Liquids184× since 2002

An air bubble of radius 0.1 cm lies at a depth of 20 cm below the free surface of a liquid of density

1000\ \mathrm{kg/m^3}

. If the pressure inside the bubble is

2100\ \mathrm{N/m^2}

greater than the atmospheric pressure, then the surface tension of the liquid in SI unit is (use

g=10\ \mathrm{m/s^2}

)