wiz-icon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

A large number of liquid drops each of radius r coalesce to form a single drop of radius R. The energy released in the process is converted into the kinetic energy of the big drop so formed. The speed of the big drop is (given surface tension of liquid is T, density of liquid is ρ)

A
6Tρ(1r1R)
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
B
4Tρ(1r1R)
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
6Tρ(1r+1R)
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
4Tρ(1r+1R)
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution

The correct option is A 6Tρ(1r1R)
nr3=R3E=T(n4πr24πR2)=1243πR3ρv2v26T((Rr)3r2R2)R3ρv=6Tρ(1r1R)Ans.(A)

flag
Suggest Corrections
thumbs-up
0
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Surface Tension of Water
CHEMISTRY
Watch in App
Join BYJU'S Learning Program
CrossIcon