A thin film of liquid is trapped between two glass plates...
A thin film of liquid is trapped between two glass plates. The force required to pull the plates apart will increase if the
surface tension of the liquid is reduced
perpendicular distance between the plates is increased
area of the liquid surface in contact with the plates is increased
pressure of the air is decreased
Correct answer is C
No explanation has been provided for this answer.
In which of these fields are repulsive forces NOT experienced? I. Magnetic field II. Gravitati...
An object moves in a circular path of radius 0.5m with a speed of 1ms−1. What is its angular ...
Which of the following is a secondary colour ...
Calculate the resistance of the filament of lamp rated at 240V 60W ...
Which of the following is NOT correct? i. the pitch of a sound note depends on the frequency of v...