query: Why does a hot bulb filament emit photons?
positive_passages.docid: 22307
positive_passages.text: How do electric currents make light?
negative_passages.docid: 75042
negative_passages.text: Why is there a secondary image of a light bulb in my image?
negative_passages.docid: 44171
negative_passages.text: Does visible light heat things up?
negative_passages.docid: 97602
negative_passages.text: How to make an object emit light in Cycles?
negative_passages.docid: 121564
negative_passages.text: Why doesn't saturation current in the photoelectric effect depend on the frequency of light absorbed ny the metal emitter?
negative_passages.docid: 122967
negative_passages.text: Thermal radiation spectrum of a blackbody
negative_passages.docid: 15019
negative_passages.text: Does a single photon's energy depend on frequency? (photoelectric effect)
negative_passages.docid: 88577
negative_passages.text: How is light produced?
negative_passages.docid: 61729
negative_passages.text: If turning a perfectly monochromatic laser on for a finite time gives a frequency spread, where did the other frequency photons come from?
negative_passages.docid: 107970
negative_passages.text: Laser, wire, and a circle of light
negative_passages.docid: 98406
negative_passages.text: How to calculate temperature of an incandescent bulb filament?
negative_passages.docid: 21246
negative_passages.text: Colder surface radiates to warmer surface
negative_passages.docid: 125691
negative_passages.text: Can kinetic energy in atoms result in emission of all types of EM radiation?
negative_passages.docid: 81158
negative_passages.text: Light "diode" and 2nd law of thermodynamics
negative_passages.docid: 48690
negative_passages.text: Does a photon interfere only with itself?
negative_passages.docid: 157089
negative_passages.text: Eevee - Light inside a bulb lamp not passing through glass
negative_passages.docid: 121832
negative_passages.text: Why do electrons around nucleus radiate light according to classical physics