A capillary tube of radius r can support a liquid of weight 6.28 × 10-4 N. if the surface tension of the liquid is 5 × 10-2 N/m. the radius of capillary must be
As we discussed in concept
Surface Tension -
It is also defined as force per unit length
- wherein
Option 1)
This option is incorrect.
Option 2)
This option is incorrect.
Option 3)
This option is incorrect.
Option 4)
This option is correct.