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Grade: 12th pass

                        

on heating bubbles being formed at the bottom of the vessel detached and rise . take the bubbles to be spheres R and making a circular contact of radius r with the bottom of vessel if r<<R and surface tension is T find value of r just before bubble detach . density of water is p

6 years ago

Answers : (1)

Ashish
12 Points
							Use concept of surface tension apply mg=surfacetension ans is 
R square multiply root of rho water multiply g divided by 3T where T is surface tension.
						
6 years ago
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