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lomentwist

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What kind of energy does a heat lamp give?

A heat lamp gives off radiant energy in the form of infrared light. This energy is absorbed by objects and surfaces, warming them up by increasing the kinetic energy of their molecules.


Why is an incandescent lamp cool to the touch when it gives off heat?

An incandescent lamp is not cool to the touch unless it is an extremely low wattage. Heat given off by incandescent lamps is one of the drawbacks of the lamp. Total overall efficiency is reduced by the wasted heat.


Which layer of the sun gives off heat and light?

The photosphere gives off heat and visible light.


What gives off light but is not a lamp and melts but is not a lolly and disappears when you use it?

magnesium


What is a blacklight?

A blacklight is a lamp used for decoration which gives off ultraviolet light.


Why tungsten bulbs use up so much energy?

90% of the energy used by a tungsten lamp is lost as heat because they depend on heating the filament until it gives off light. Only 10% is usable light.A 100 watt light bulb gives off 341 btu of heat.


What gives off light but not heat?

LED lights


What the sun gives off heat and light?

energy


What from of energy does lighting gives off?

light and heat energy


What is an incandascent lamp?

Your standard light bulb where a filament is heated by a current passing through it. The heated filament then gives off light.


What part of a light bulb gives off electricity?

The part of an incandescent light bulb that gets hot and produces the light is called the filament.


Which object gives off its own light?

All objects warm enough to glow. It depends on what you count as 'light'. If you count all electromagnetic radiation, then all objects above absolute zero give off their own heat and light. Except, maybe, black holes. The answer for them is not so clear-cut.