The frequency distribution of cosmic background radiation matches that of a black body at a temperature near 2.7 K. What is the peak frequency of this radiation? What is the wavelength that corresponds to the peak frequency? (in mm)?
Please see the explanation below:
Utilize Wien's law of displacement.
The highest frequency recorded is
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The peak frequency of the cosmic background radiation is roughly 160.2 GHz, matching the peak frequency of a black body at a temperature of about 2.7 K. The corresponding wavelength is roughly 1.87 mm.
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When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
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