The Current Temperature of the Cosmic Background Radiation of 2 $\mu$

question 10

Multiple Choice

The current temperature of the cosmic background radiation of 2.73 K means that the peak of its spectrum occurs at a wavelength of:

• A) 0.1\(\mu\)m
• B) 1\(\mu\)m
• C) 10 \(\mu\)m
• D) 100 \(\mu\)m
• E) 1,000 \(\mu\)m

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