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As light travels farther from its source, its strength becomes:
AWider
BWhiter
CWeaker
DWarmer
Answer & Solution
Correct answer: C. Weaker
1. The same energy spreads over a larger area.
2. Each patch therefore receives less.
3. So the light gets weaker.
_Source: OpenStax Astronomy 2e, Chapter 5, Radiation and Spectra._
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