What are the characterstics of the particles of matter?

What is the charge on cathode ray particle?

What are the five states of matter?

In the above diagram, a particle of mass"m" and charge(-q) initially moving along X-axis with velocity "v". The length of the plave system is "L" and uniform electric filed between the plates is "E". What is the vertical deflext of the particle at the far edge of the plate?

Name the factors that decide the state of matter .

An alpha particle is moving in a magnetic field of (3hati+2hatj) tesla with in velocity of 5xx10^5 hati ms^(_1) . What will be the magnetic force acting on the particle?

What is the average size of colloidal particles? Name two negatively charged and two positively charged colloids.