Two charged particles are projected into a region where t...
Two charged particles are projected into a region where there is a magnetic field perpendicular to their velocities. if the charges are deflected in opposite directions, which of the following statements is true of the charge?
the charge must be of opposite sign
positive charges are more in number
the charges are electrically neutral
the charges are of the same sign
Correct answer is A
The charge must be opposite in sign, since the positive charges will deflect to the negative plate, and the negative charge to the positive plate
Natural radioactivity consists of the emission of ...
Which of the following statements correctly defines a simple machine? a device ...
Which of the following is a secondary colour ...
The bond that forms a semiconductor is? ...
Which of the following remains unchanged as light travels from one medium to the other? i. speed....
Which of the following source of energy is renewable? ...
What happens when a, certain quantity of pure ice is completely changed to water at 0oC? ...
Which of the following statements about X-rays is correct? X-rays ...