Question

Which of the following particles will experience maximum magnetic force (magnitude) when projected with the same velocity perpendicular to a magnetic field?
(a) Electron
(b) Proton
(c) He+
(d) Li++

Answer 1

Answer:

Li++

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Answer 2

(d) Li++ is the lithium that will experience maximum magnitude.  

Explanation:

• On a moving charged particle, force is given by F = qVBsin.
• It is to be noted that magnetic field B and velocity V are constant. The angle between the charged particle and the magnetic field is 90°.
• Force F depends only on charge q.
• At present, the charge on lithium is greater than the charge on proton, electron or Helium. So, the maximum force is on Li++.