counting of currency notes with moist fingers is based on...
counting of currency notes with moist fingers is based on the principles of?
diffusion
cohesion
adhesion
viscosity
Correct answer is C
since currency and finger contain unlike molecules, the force involved is adhesion
What is the density of a fuel of relative density 0.72? [Density of water = 1000kg m-3]...
In the circuit diagram above , the ammeter reads a current of 3A when R is 5Ω and 6A when R is...
Use the diagram above to calculate the current, I. ...
The power of the lens is +2.5D. What is the radius of the curvature? ...
The resultant of two forces P and Q is least when the angle between them is ...