Will ice melt faster in the sun or under a light bulb?

Answer 1

Melting IceUsually in light, and even faster if the light produces heat. AnswerYes. If all other aspects of your environment are exactly the same, ice will melt faster in the light. But the difference will be very, very minor [think milliseconds faster to melt an ice cube]. This is assuming that you are using distant, or non-thermal light source (like the sun, or a florescent light bulb). This difference is caused by the ice absorbing some of the light and converting it to heat. The darker the ice is, the more of an effect it would have. If you took frozen grape Kool-Aid instead of water, it would melt much faster in the sunlight because it absorbs more light.

Now, if you place the ice cube on a dark surface, which is also in the (sun)light, that will make a BIG difference because the dark surface will get warm and indirectly warm/melt the ice.

Melting occurs when the temperature of the ice goes above 0°C. There are two primary ways that the temperature of the ice can increase:

1. Direct contact with a warmer material (this includes the air around it).
2. Absorbtion of radiation (this includes light).

Since light does not pass through ice completely (if it did, ice would be invisible), some of the light is converted into heat. But only a small amount of the light absorbed, so exposure to light has some, but very little effect on how fast ice melts.

Infrared light (which is not visible to humans) is readily absorbed by ice, but it is also absorbed by air. So if you are close to a source of IR light (such as an incandecent light bulb), the ice will warm faster and melt faster.

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Yes because all light produces heat so the plateau will be shorter via faster to transforming into a liquid.

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Billy forgot to eat his ice cream while he was watching television,and it melted.He thought the ice cream melted melted because it was in the light.

as soon as it got dark

Answer 2

Ice will melt faster in the sun compared to under a light bulb because sunlight provides both heat and visible light, both of which contribute to melting ice. Light bulbs typically give off heat but may not provide the same level of energy as sunlight, making sunlight more effective at melting ice.

Answer 3

Ice left out in the sun will always melt, while ice left out a mile from a light bulb might not melt in the Arctic, for example. To achieve the same heating effect as the sun, the electric bulb must be within about 1 ft of the ice.

Answer 4

Yes. Any additional heat, in the form of light or not, increases the rate of melting.It just like the sun...

Answer 5

Because the sun has a higher degree of rays than a simple lamp.

Answer 6

All other things being equal it will melt faster near the light bulb due to the heat being given off

Answer 7

under a lamp because a fan keeps it cooler than a lamp

Answer 8

Ice melts faster under a lamp.

Answer 9

The butter will melt in the sun

Answer 10

butter melt faster in the sun