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Gaseous Pressure

On heating wa...

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On heating water, bubbles being formed at the bottomof the vessel detach and rise. Take the bubbles to bespheres of radius R and making a circular contact ofradius r with the bottom of the vessel. If r << R and thesurface tension of water is T, the value of r just beforebubbles detach is (density of water is (pR22, pog6TR23T

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On heating water, bubbles being formed at the bottom of the vessel detach and rise. Take the bubbles to be spheres of radius R and making a circular contact of radius with the bottom of the vessel. If r << R and the surface tension of water is T, the value of r just before bubbles detach is (density of water is $ρ_{w}$ ).

On heating water, bubbles being formed at the bottom of the vessel detach and rise. Take the bubbles to be spheres of radius R and making a circular contact of radius with the bottom of the vessel. If r << R and the surface tension of water is T, the value of r just before bubbles detach is (density of water is $ρ_{w}$ ).

Q. While heating water, bubbles begin to form at the bottom of the vessel. After a while, they detach and rise. Consider a bubble to be a sphere of radius

R

and making a circular contact of radius

r

with the bottom of the vessel. Here,

r << R

, the surface tension of water is

T

, and density of water is

ρ_{w}

r

, just before the bubble detaches is,

Q. On heating water, bubbles beings formed at the bottom of the vessel detatch and rise. Take the bubbles to the spheres of radius

R

and making a circular contact of radius

r

with the bottom of the vessel. If

r << R

, and the surface tension of water is

T

r

just before bubbles detatch is : (density of water is

ρ

Q. An air bubble of radius 2.0 mm is formed at the bottom of a 3.3 m deep river. Calculate the radius of the bubble as it comes to the surface. Atmospheric pressure = 1.0 × 10⁵ Pa and density of water = 1000 kg m⁻³.

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