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Can light be cold

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Anonymous

11y ago
Updated: 5/20/2024

Photons, obviously, can't be hot or cold - light is just another form of energy. Light can travel through a hot environment, but can't be hot or cold itself.

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Wiki User

11y ago

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Why is bioluminescence called cold light?

Bioluminescence is called cold light because less than 20% of the light generates thermal radiation, or to say in simpler terms, heat. So, the less thermal radiation there is, the colder it will be.


Why tubelight as cold source of light?

Tubelights are considered a cold source of light because they emit light through fluorescence. The fluorescent coating inside the tube absorbs ultraviolet light produced by the energized mercury vapor, causing the coating to fluorescence and emit visible light. This process does not produce excess heat compared to incandescent bulbs, making tubelights a cooler light source.


Why is moonlight cold?

Moonlight appears cold because it reflects sunlight, which is a much warmer source of light. The moon itself does not produce any heat, so the light it reflects does not carry any warmth with it. This can create the perception of moonlight being cold compared to direct sunlight.


How cold would the Earth be without the sun's heat and light?

Without the sun's heat and light, the Earth would be extremely cold, with temperatures dropping to around -430 degrees Fahrenheit (-257 degrees Celsius).


Why tube light is a cold source of light?

Tube lights are considered a cold source of light because they produce minimal heat compared to other types of lighting such as incandescent bulbs. The majority of energy from a tube light is converted into light, with very little energy wasted as heat. This makes tube lights more energy-efficient and cooler to the touch during operation.