Evaluate
- $- p ^ { 3 }$ , When $p = 7$

question 38

Multiple Choice

Evaluate.
- $- p ^ { 3 }$ , when $p = 7$

• A) 4
• B) 21
• C) \(- 343\)
• D) 343

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Definitions:

Line Spectra

Line spectra are the emission or absorption of light at specific wavelengths by atoms or molecules transitioning between energy levels, resulting in distinct lines characteristic of the substance.

Quantized Energy Levels

The concept in quantum mechanics that energy levels in atoms and molecules are discrete, not continuous.

Spectral Emissions

The set of wavelengths or frequencies emitted by a substance or object, often used to identify its composition.

Frequency

The number of occurrences of a repeating event per unit of time, often used in the context of waves.