The filament of a light bulb emits light at all frequencies.
The hot, dense photosphere of our Sun emits a continuous spectrum.
The heating element in a hot plate emits a continuous spectrum of infra-red and visible light.
The hot, dense photosphere of our Sun emits a continuous spectrum.
The heating element in a hot plate emits a continuous spectrum of infra-red and visible light.
Examples
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What this is an example of