The Background Microwave Radiation, Discovered in 1965 by Penzias and Wilson

question 23

Multiple Choice

The background microwave radiation, discovered in 1965 by Penzias and Wilson, has its peak intensity at a wavelength of 1.06 mm. What blackbody temperature does this wavelength imply for the universe? (σ = 5.670 × 10^-8 W/m² ∙ K⁴, Wien displacement law constant is 2.90 × 10^-3 m ∙ K)

• A) 2.7°C
• B) -270°C
• C) 0.0027 K
• D) 0.00°C
• E) -2.7°C

---

Definitions:

Adolescent Decision Making

The process by which individuals in their teenage years make choices and judgments, often influenced by developmental, cognitive, and social factors.

Dual-Process Model

States that decision making is influenced by two systems, one analytical and one experiential, that compete with each other. In this model, it is the experiential system—monitoring and managing actual experiences—that benefits adolescent decision making.

Analytical

Pertaining to the systematic examination of complex material or concepts to understand their nature or to determine their essential features.

Cognitive Strategy

Techniques or methods employed to facilitate problem-solving, learning, or memory, enhancing one's ability to process, use, and store information.