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Most continuous spectra are examples of what we also call thermal radiation spectra. Why do we call them "thermal" spectra?
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Most continuous spectra are examples of what we also call thermal radiation spectra. Why do we call them "thermal" spectra?

User Anstaendig
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Answer:

They are emitted from heated objects

Step-by-step explanation:

When objects are heated, they emit light at all wavelengths thereby forming a continuous spectrum. Electromagnetic radiation of all wavelengths and colours are usually represented in such spectrum. A thermal spectrum is quite a simple spectrum since it depends on temperature.

User Mellester
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