1. Tardigrade
  2. Question
  3. Physics
  4. A dry clean needle of diameter 'd' and density ρ when carefully placed on the surface of water remains floating. If T is the surface tension of water, then maximum value for the diameter 'd' of the needle for enabling it to float will be

Q. A dry clean needle of diameter 'd' and density when carefully placed on the surface of water remains floating. If T is the surface tension of water, then maximum value for the diameter 'd' of the needle for enabling it to float will be

 2248  280 Mechanical Properties of Fluids Report Error

Solution:

Upward force = weight