Free liquid drops and bubbles are spherical if we neglect:
ADensity
BPressure
CMomentum
DGravity
Answer & Solution
Correct answer: D. Gravity
1. Surface energy alone would shape a free drop.
2. Gravity and air resistance pull it out of that shape.
3. With those neglected, the drop stays spherical.
_Source: NCERT Class 11 Physics Part II, Chapter 10, Mechanical Properties of Fluids._
Related questions
Waterproofing agents are added to create a large:Detergents and dying substances act as:The pressure inside a spherical drop, against that outside, is:For a given volume the least surface area belongs to a:The hair of a paint brush forms a fine tip when it is:Sap and water rise up to the top of the leaves of a:Oil climbs up a cotton wick in spite of:Water sticks to glass, but mercury does not: