The Magnetic Force on a Charged Particle Is in the Direction

question 5

Multiple Choice

The magnetic force on a charged particle is in the direction of its velocity if:

• A)it is moving in the direction of the field
• B)it is moving opposite to the direction of the field
• C)it is moving perpendicular to the field
• D)it is moving in some other direction
• E)never

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Definitions:

Ionized Radiation

Radiation that carries enough energy to liberate electrons from atoms or molecules, thereby ionizing them.

Nuclides

Distinct kinds of atoms or nuclei characterized by a specific number of protons and neutrons.

Radiopaque Substance

A substance that does not allow X-rays or similar radiation to pass through, appearing white or light on radiographic images, used in contrast-enhanced imaging.

Fluorescence

The emission of light by a substance that has absorbed light or other electromagnetic radiation, occurring in various natural and artificial processes.