Q. Surface tension vanishes at

A) Boiling point
B) Critical point
C) Condensation point
D) Triple point
Explanation

(b)
At critical point, the meniscus between the liquid and vapour disappears, thus the surface tension of liquid becomes zero.

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.