Why are foams in the sun colored? What causes it?

The iridescent colors of the foam seem to contain a rich variety of colors because the light hits the foam from different angles. The color of the foam is caused by the phenomenon of film interference, and the length of the optical path varies with the angle of the incident light, so that the path of the reflected light at different points on the foam is different. This means that even if the foam film is uniform in thickness, different colors can be seen, and the light that enters the foam at a greater angle has a shorter path than the light that travels directly.

This allows different wavelengths to undergo constructive and destructive interference, so that different colors can be perceived. <>

White light in the sun is made up of different colors that correspond to a particular wavelength. As the thickness of the film changes, so does the extra distance that the rays have to travel. When the total extra distance is matched with a particular wavelength of light, the interference is mutually constructive, while at half of the total wavelength, it is destructive.

Therefore, if white light hits the foam, the film will reflect a specific hue of light, and that hue will change with the thickness of the film, eventually taking on a colorful appearance. <>

The color of the foam depends on the thickness of the film. The foam gradually dries (due to evaporation) and becomes thinner and thinner, finally bursting. As the foam becomes thinner, the overall color change can be seen.

Thick walls cancel out longer wavelengths in the red range. As the foam film thins, the yellow wavelength is canceled out. When it becomes thinner, the green light disappears.

As the foam thins further, the shorter wavelengths in the blue wavelength range are canceled out. <>

The resulting color on the surface of the foam is a combination of the color that is not subjected to destructive interference and the degree of destructive interference. Blue-green predominates in thicker foam films, while yellow dominates in thinner foam films. Eventually, because the film becomes too thin, all wavelengths are canceled out and visible wavelengths cannot be interfered with.

At this point, the color of the bubble surface may become transparent and colorless, so the thickness of the bubble wall can be accurately measured by checking the color of the foam. On a black background, the foam surface may appear black.

Refraction. Because foam is made up of many round bubbles that refract light, the foam in sunlight is colored.

Soap bubble. Not only are there rainbow colors, but they are constantly changing. When the color of a soap bubble fades and turns grayish-black, it means that it is about to burst. All of this comes from an optical phenomenon called thin-film interference. We usually use detergent dish soap.

Laundry detergent and other blowing soap bubbles. In a certain proportion, a bubble is a thin film of water encased by detergent molecules. What happens when light hits this thin film of water.

Air and water are light-transmitting mediums, and their junction is called the interface. When the light encounters the interface, some of it is reflected back, and some of it continues to move forward and is refracted against. We insert a chopstick into the water, and when we look at it from the side, we will see that the chopsticks in the water are curved, which is refraction.

When we look down at the water, the angle is right, and we can also see the mirror image of the chopsticks, which is the reflection. The thin film of water that makes up the soap bubble has two air-water interfaces.

When light meets a film of water from the air, it is the first gas. The water interface, part reflected, part refracted, and part refracted through the water film, encounters the second air, water interface. Another part of the light is reflected back, while the other part of the light passes through and then returns, and some light is reflected back and forth many times before leaving the water film, the properties of light are.

Multiple light waves in the same place will superimpose their respective intensities. This phenomenon is called interference, and it is an effect that is stronger in phase and cancels out in phase.

If the peaks of one beam of light and the peaks of another beam of light are superimposed, the result becomes stronger. If the peaks of one beam of light and the valley of another beam of light are superimposed, the results cancel each other out. These two phenomena are called constructive interference and destructive interference, respectively.

Both are reactive to light, and foam has no color. What we see is colored, the foam has two sides, passes through the front, and when it encounters the back, it is reflected back, and when it is reflected back to the front, the light reacts.

This reaction eventually loses the original sunlight and takes on other colors, and finally the soap bubble divides the sunlight into several types.

The main reason why the foam is colored is that the foam also emits this special kind of nutrients, in which case a color will be formed, and then the sunlight will appear colored is a scientific reaction.

Sunlight foam is colored because sunlight is decomposed by the foam surface, refracting light in other bands of color.

Because the sun is colored, the refractive index of light is different for different colors, and it can be displayed just enough to shine on the foam, so it is colored.

The reason why the foam appears in the sunlight is that the foam is a kind of film, and under the irradiation of sunlight, Qi Wei will reflect the 7 colors of sunlight.

The color of the foam is not only beautiful, but its thickness can also be inferred from its color, and through computer simulation, the relationship between the color of the foam surface and its incident angle and the thickness of the film is also like a rainbow. The thicker film alternates between red and green, and the thinner film becomes colorful and vivid, and finally the film color gradually becomes dull, the thickness decreases, and it appears black and gray, and it is not far from being destroyed, and the film has no practical interference with visible light.

This phenomenon is caused by the refraction of light in physical phenomena, and through the refraction of light in sunlight, these bubble noodles will become colored.

The foam under the sun is colored, and this phenomenon is that the sun in the solar system reflects its light to our earth, and then refracts it to the foam through refraction, so the bubble appears colored.

Refraction. Because foam is made up of many small bubbles, light can be emitted and refracted to form a color.

After the rain, the light shines through the small water droplets in the air to produce dispersion to see the true face of natural light, interested parents can buy a prism to give to your baby, let him feel the beauty of the natural world. Your boyfriend can also send your girlfriend a rainbow, and romance, right? Light is a transverse wave, although it is an electromagnetic wave, but it can interfere just like a mechanical wave. Don't say much about the interference conditions, in fact, it's like a tug-of-war, you have to exert force in the same direction, maybe some people have more strength and some people are smaller, but it doesn't matter, the key is that we don't fall the same, one, two, three at the same time, relax, and you have to maintain this state (vibration direction, frequency, phase difference) Phenomena in life:

The bubbles in the air are colorful, especially the red and green are more noticeable, and when you blow the bubbles, the bubbles will become dull when they are about to burst. But the artificial plastic balls are not colorful, and the glass of the windows is not visible, is it because of the material? Analysis:

The interference of light is the first thing to deny is the problem of material, and the material has the greatest influence on the interference of light is the refractive index, and the key is thickness. When the light enters the medium, it will be reflected on the upper and lower surfaces respectively, and the two beams of reflected light are separated from the same beam of light, so they naturally obey the coherent conditions, the only change is that the reflected light on the lower surface has gone a distance more, so that the upper and lower reflected light will produce a certain optical path difference, if the optical path difference is an even multiple of the half wavelength of the light, when a beam of light reaches the peak, the two beams of light just reach the peak and trough at the same time, and are in a strengthened state, while the wavelengths of the seven-color light are different, so it is impossible to be in the state of interference enhancement at the same time, At a certain thickness and angle, there will be a color of light that is dominant, and this is the color of the light we see.

Interference fringes are classified as localized or non-localized. Non-localized interference is produced by point light sources. Localized interference is generated by an extended light source.

And natural light, of course, is the extended light source. The characteristic of localized interference is that it is imaged in a localized region, and for thin films, the localized interference surface is often generated on the surface of the film, so the colored interference fringes can be seen on the film.

Why are foams in the sun colored?

Because it has a lot to do with its shape and color.

First of all, we need to understand the sunshine.

In junior high school physics class, I learned that sunlight is formed by a continuous spectrum, and because of its frequency or wavelength, it can form seven colors: red, orange, yellow, green, blue, indigo, and violet.

Isn't it a thought?

So let's take a look at bubbles.

After the foam is formed, it is an irregular and transparent sphere.

Since it is a sphere, it can have a sunlight irradiation point and an imaging surface.

Sunlight is not only colorful and simply colorful, if you look at it with a spectrum, how much you see, how many colors of sunlight there are.

Sunlight is not black, though. But why do we feel that black is accompanied by sunlight? Because of the shadows. Usually the brighter the place, the darker, larger and longer shadows. Unless there is a shadowless lamp, there is sunlight and darkness.

I was a kid blowing soap bubbles. It's colored in the sun, but it doesn't last long, and when it's big, it breaks. The bubbles in the bubble are also colored. Going back to the bubble, I only see white.

Yes. All I could see was white light, golden light and white foam. But as long as I want, find a piece of colored paper, and I can see the colored bubbles through the sunlight.

Sunlight is beautiful, and theoretically everything it illuminates will be colorful. But individual discernment is limited, and sometimes it's up to us to create a better world on our own.

This is because the foam is reflected to reflect all the colors.

This is formed through the phenomenon of interference.

Man says that the color of everything he looks at is refracted by light.

The interference phenomenon formed by the reflection of waves on the two surfaces of the thin film and the superposition of each other is called thin film interference.

This is actually an optical phenomenon called thin film interference.

It is caused by the reflection and scattering of light at different angles.

A physical phenomenon, a very normal light phenomenon.

The phenomenon of interference, known as thin-film interference.

The soap bubble itself is colorless, like a transparent cellophane, and sunlight reflects off both the front and back of the bubble. When sunlight passes through the front and meets the back, it is immediately reflected back; The reflected light returns to the front, which in turn causes a certain reflection. Sunlight is made up of seven monochromatic lights, and if there is a place in the soap film that cancels out the two reflected red rays, what you see in this place is the sunlight that has lost its red light, and it looks blue-green.

In the other part, a certain color is intensified, and another color is presented. This is how soap bubbles break down sunlight and create colorful patterns. ‍‍

Because this is closely related to its shape and color, first of all, we have to understand the sunlight, junior high school physics class learned that sunlight is formed by a continuous spectrum, because of the frequency or wavelength, so it can form red, orange, yellow, green, blue, indigo, purple seven colors. That's right, it's a rainbow, and a rainbow is formed by the refraction of sunlight. After the foam is formed, it is an irregular and transparent sphere, because it is a sphere, then it can have a sunlight irradiation point and imaging surface, so that our eyes can receive the color refracted in the foam.

Because the thickness of the bubble film is different, the top half of a bubble is thin and the bottom half is thick, so the resulting interference is different, and different colors will be seen, and any transparent film with a thickness similar to the wavelength of visible light will produce this kind of film interference under the right conditions. For example, the oil film on a pond will also appear rainbow-colored; Camera lenses, blue-light blocking glasses lenses, and fire-burned blade surfaces also show special colors. Behind these colors, in fact, is the effect of film interference. ‍‍

A soap bubble is a film that is uneven due to gravity, but its surface thickness is uneven. White light is actually composed of different wavelengths of light, at the same thickness, some light interference increases, some light interference decreases, and the film at a certain thickness will show a certain color. As a result, different wavelengths of light separate when they interfere, and different colors are reflected off the surface. ‍‍

One of the experiments in elementary school was to divide sunlight into seven colors. To put it simply, it is the sunlight that refracts through the foam to show the color. ‍‍

Foam in the sun, is a colored ......"It's a fantastic song, 'Bubbles' is just like the lyrics. Does our most familiar and favorite foam bring out the color in your heart?

The foam in the sun bursts ...... at the touch of a button"Everybody has a bubble-like personality – it bursts at the touch of a button. There will inevitably be ups and downs in life, and when you are frustrated or failed somewhere, you will be disappointed in your heart, and even it will be difficult to see a smile for a long time. Under the sun, the foam loses its color, is transparent, and is almost impossible to see.

Bubbles are dreamy, and in festive scenes, people will use the source difference bubble machine to release many bubbles, which are dreamlike and make people feel happy. The worries in my heart disappeared at once. Just like a bubble, he can perform his "magic" carefree.

Foam doesn't make ...... sad"Everyone has their own ideals, and they all strive to pursue their own ideals. However, it was not all smooth sailing on the way, there were storms and rains, and there were also gorgeous rainbows, and when you reached the "other side", you could see the most beautiful sunshine. Like a bubble, it won't be sad ......

Changeable foams come in different shapes, and many people will use all kinds of strange tricks to change the foam: foam bridges, bubble rain, cubic bubble foam, double foam, ......No matter how you change it, it will always be a bubble and will never change its true colors. Life is like a bubble, colorful, but people need to create and discover, otherwise, life is also boring, no one wants to live the same life every day!

The foam is made of bubble water, which in turn is synthesized from tap water, so the foam is also a puddle of water, which is formless, colorless and odorless at first, but still glows after being cleverly "processed".

The color of the bubble means the weather. When the sun shines, it's a fiery orange; When it's cloudy, it's a pale blue; When it rains, it's a dull silver; Sometimes it's colorful, it's amazing!

Under the sun, everything is the same as it is, only the bubble is constantly changing, it is that gorgeous and colorful! Under the sun, people are chasing dreams, only bubbles, accompanying you; Under the skin of the sunshine and hail, there is so much hope, only the bubble has become the sustenance of hope.

The bubble is still glowing with its brilliance!