A liquid is coming out from a vertical tube. The relation between the – McqOptions

MCQOPTIONS

1.	A liquid is coming out from a vertical tube. The relation between the weight of the drop W, surface tension of the liquid T and radius of the tube r is given by, if the angle of contact is zero
A.	\[W=\pi {{r}^{2}}T\]
B.	\[W=2\pi rT\]
C.	be increased to twice the earlier pressure
D.	\[W=\frac{3}{4}\pi {{r}^{3}}T\]
Answer» C. be increased to twice the earlier pressure

Discussion

No Comment Found

Related MCQs

A large tank filled with water to a height ?h? is to be emptied through a small hole at the bottom. The ratio of time taken for the level of water to fall from h to \[\frac{h}{2}\] and from \[\frac{h}{2}\] to zero is [EAMCET (Engg.) 2003]
The diagram shows a cup of tea seen from above. The tea has been stirred and is now rotating without turbulence. A graph showing the speed v with which the liquid is crossing points at a distance X from O along a radius XO would look like
Which graph represents the variation of surface tension with temperature over small temperature ranges for water
The weight of a body is 9.8 N at the place where g = 9.8 \[m{{s}^{-2}}\]. Its mass is [NDA]
An astronaut in the orbit in a spacecraft feels weightlessness
Why do two ice blocks join to form one block when pressed together? [NDA]
When a ship floats on water [NDA]
Dirty cloths containing grease and oil stains are cleaned by adding detergents to water. Stains are removed because detergent [CDS]
A liquid is kept in a regular cylindrical vessel up to a certain height. If this vessel is replaced by another cylindrical vessel having half the area of cross-section of the bottom, the pressure on the bottom will [CDS]
Flow velocities in an incompressible fluid can be measured with which one of the following? [NDA]