Five equal-mass particles (A–E) enter a region of uniform magnetic field directe

Question

Five equal-mass particles (A–E) enter a region of uniform magnetic field directed into the page. They follow the trajectories illustrated in the figure. (Figure 1)

Part A

Which particle (if any) is neutral?

Part B

Which particle (if any) is negatively charged?

Rank the particles on the basis of their speed.

Rank from largest to smallest. To rank items as equivalent, overlap them.

A

B

C

D

E

Part D

Rank the particles A, B, C, and E on the basis of their speed.

Rank from largest to smallest. To rank items as equivalent, overlap them.

particle A particle B particle C particle D particle E none A B C D E A BC D E

Explanation / Answer

1. Particle D is neutral as it goes undeviated

2. Particle A is negetively charged . It can be found using F = qV X B

3. A>B>C=E

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