Email
Chat with tutors
logo

Ask Questions, Get Answers

X
 
Questions  >>  Archives  >>  JEEMAIN-2014
Answer
Comment
Share
Q)

On heating water, bubbles being formed at the bottom of the vessel detatch and rise . Take the bubbles to be 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 , value of r just before bubbles detatch is : (density of water is ρw)

(a)R2ρwg3T(b)R2ρwg6T(c)R2ρwgT(d)R23ρwgT

Please log in or register to answer this question.

Home Ask Tuition Questions
Your payment for is successful.
Continue
...