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 µm.
B) 1 µm.
C) 10 µm.
D) 100 µm.
E) 1,000 µm.

Question

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The Answer of 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 µm.
B) 1 µm.
C) 10 µm.
D) 100 µm.
E) 1,000 µm.

The Current Temperature of the Cosmic Background Radiation of 2