QUESTION 21
An unknown particle is caused to move between two electricaly charged plates, as illustrated below. Its path is deflected by a smaller magnitude in the opposite direction from that beta particle. What is can you conclude about the charge and mass of this unknown particle?

A charged particle is caused to move between two electrically charged plates, as shown here.

(a) Why does the path of the charged particle bend? (b) What is the sign of the electrical charge on the particle? (c) As the charge on the plates is increased, would you expect the bending to increase, decrease, or stay the same? (d) As the mass of the particle is increased while the speed of the particles remains the same, would you expect the bending to increase, decrease, or stay the same?

8. What is Coulomb's law? Explain how the potential energy of two charged particles depends on the distance between the charged particles and on the magnitude and sign of their charges.

48. Which statements about subatomic particles are false? a. Protons and electrons have charges of the same magnitude but opposite signs. b. Protons have about the same mass as neutrons. c. Some atoms don't have any protons. d. Protons and neutrons have charges of the same magnitude but opposite signs.