Properties Of Solids And Liquids Question 334

Question: The amount of work done in blowing a soap bubble such that its diameter increases from d to D is (T= surface tension of the solution) [MP PMT 1996]

Options:

A) 4π(D2d2)T

B) 8π(D2d2)T

C) π(D2d2)T

D)2π(D2d2)T

Show Answer

Answer:

Correct Answer: D

Solution:

W=T×8π(r22r12)=T×8π(D24d24)

=2π(D2d2)T



जेईई के लिए मॉक टेस्ट

एनसीईआरटी अध्याय वीडियो समाधान

दोहरा फलक