Discrete Wavelengths of Light Are Emitted by an Excited Gas

question 127

Multiple Choice

Discrete wavelengths of light are emitted by an excited gas because

• A) the speed of light is constant in a given medium.
• B) light can behave either as a wave or as a particle.
• C) electron energy levels are quantized.
• D) the intensity of radiation is proportional to the second power of the frequency.

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Definitions:

Facial Expression

The use of facial muscles to convey emotions, reactions, or intentions, often an important aspect of non-verbal communication.

Egocentric Listening

A listening style where the listener focuses more on their own perspective, needs, and interests rather than understanding the speaker's message.

Defensive Listening

A form of listening where the listener takes innocent comments as personal attacks, often hindering effective communication.

Visual Richness

The degree to which visual elements (e.g., images, graphics, colors) are used in a communication to enhance understanding or engagement.