About How Many Times Larger Are the Wavelengths of CMB

question 59

Multiple Choice

About how many times larger are the wavelengths of CMB photons today compared to when they were first emitted?

• A) 2
• B) 10
• C) 100
• D) 1000

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Definitions:

Slope

A measure of the steepness or incline of a line or surface, typically described as the ratio between the change in the y-value and the change in the x-value.

Variable

An element, feature, or factor that is likely to vary or change; it can be quantitative or qualitative in experiments and mathematical models.

Mathematical Convention

Established, standardized practices or rules that are followed within mathematical reasoning and calculations.

Independent Variable

The variable causing a change in some other (dependent) variable.