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Visible light is part of the electromagnetic spectrum, in frequency between infra-red and ultra-violet. Light is therefore radiation, though its energy is not harmful to us-we have evolved to be able to use it without harmful effects, provide it is not too intense as it can be with lasers for instance, or looking directly at the sun. Ultra-violet on the other hand is harmful, this is what causes sunburn.
What else can I help you with?
What is the Aurora Borcalis?
the northen lights caused by the earths radiation causing the sun to flare due to radiation
What type of heat transfer is invisible and visible lights?
radiation
How are uv rays used in everyday life?
A few examples: -UV radiation from the Sun stimulates the production of vitamin D in your skin. -UV radiation from black lights are used in the theater to make some objects glow. -UV radiation is used to check for fake money in shops. (Paper money usually has some kind of security feature that lights up under UV light). -It is used to induce chemical reactions in various areas. -There are used in laser form to write to optical disks in computing. -There are used in certain medical procedures.
What type of electromagnetic radiation is used in street lights?
Street lamps are designed to emit visible light. Some of them do this by first emitting ultraviolet radiation that is converted to visible light by a coating on the inside of the light bulb.
Can fluorescent lights give you a tan?
Fluorescent lights do not emit enough UVB radiation to stimulate the production of melanin in the skin, so they cannot give you a tan. Tanning is mainly caused by exposure to UVB radiation from the sun or tanning beds. Fluorescent lights primarily emit visible light and are not a source of UV radiation sufficient for tanning.
What is Ultra violet-ray and gamma radiation os uses?
ultraviolet can be used in water treatment plants to kill bacteria instead of adding chlorine or ozone. gamma radiation can be used on some packaged foods to kill microorganisms and parasites instead of pasteurization. It is almost universally used on spices already.
What type of radiation do black lights shine onto a bank note?
Ultraviolet
What is a Geiger counters used for?
It is used to measure radiation and is commonly used to detect objects that produce nuclear radiation.
Are black lights harmful to the human eye?
Black lights emit ultraviolet (UV) radiation which can be harmful to the human eye in high doses. Prolonged exposure to UV radiation from black lights can cause damage to the cornea and lens of the eye. It is recommended to use caution and avoid staring directly into black lights for extended periods of time.
How is radiation used in the making of bombs?
The radiation comes from the material used.
What are some sources of ultraviolet radiation?
The sun, stars, uv lights, and tanning beds.
Why is radiation used to treat cancer?
radiation
