Light is the most important element in photography, and the better you understand how it works, the better your photos will be. By mastering the reflection of light, you’ll be able to take better shots and avoid common issues like red eyes, hot spots, and blown-out exposures.

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A good example is when you use a refraction ball or shoot through a water droplet. The subject or landscape on the other side is inverted and skewed by the shape of the refracting object. Light passing through a prism or a camera lens is another example of refraction.

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This deviation in the white lights makes the spectrum of the light visible and we observe the visible spectrum of the light. For example, the spectrum observed on the oil drop is the visible spectrum of the light.

When light strikes a medium and bounces back, that’s reflection. Any object you can see is visible because of reflected light, even if you don’t think of the object as “reflective” like a mirror. We’ll get to the specific types of reflected light in a moment. But first, reflection is commonly confused with refraction, which is when light passes through a medium and changes direction and speed.

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When the light ray changes its medium of propagation its deviates from its path this phenomenon is called the refraction of the light.

A prism is glass apparatus made of transparent glass. It has three rectangular lateral surfaces and two triangular faces that are inclined at an angle. It dispersed the white light passing through it.

Dispersion of Light through a prism is achieved by allowing the white light to fall on the prism and passing the light through the prism to break it into its constituent colours. In this article, we will learn about the Dispersion of Light, its experiment and others in detail.

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When white light passes through a glass prism, it separates into its spectrum of colours (in order violet, indigo, blue, green, yellow, orange, and red), this process is known as Dispersion.

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When it comes to light, there are two types you should be familiar with: incident light and reflected light. In this post, we’ll take a look at reflected light.

The light disperses into a wide range of colours after passing through a glass prism. We can see this by looking at it from a different perspective. The refractive index associative with a material is not fixed it varies with the frequency of the light used.

When the light ray is passed through the glass prism it gets deviated into the spectrum of the light in the order VIBGYOR and the full form of the VIBGYOR is,

Reflected light is light that’s reflected off a subject. No matter what direction the light is coming from, it will be affected by what it’s bouncing off. The subject will determine which type of light will be reflected. Keep in mind that reflection of light isn’t the same as refraction.

Dispersion of Light happens when white light is split into its constituent hues due to refraction. Dispersion of Light can be achieved through various means but the most common way to achieve dispersion of light is through Prism. Dispersion of light by a prism results in the breaking of white light into its seven constituents.

A shiny nose or forehead, glasses, windows, or other highly reflective surfaces can cause these spots. Using the law of reflection, we know that moving the light source or camera to a different angle will help eliminate these spots. The same goes for red eyes.

Now that you know the difference between the two, let’s jump into the reflection of light and how it applies to photography.

The first experiment of light passing through the prism was first conducted by the great scientist Newton. He allows white light to pass through a prism hoping to get white light to the other end. But to his surprise, he found that white light gets changed to the spectrum of the seven colours. He named this phenomenon as dispersion of light.

When light passes from one medium to another medium speed of propagation of light changes as a result the light is refracted. Now when the light passes through the prism, it gets refracted this refraction of light makes the light split into various colours and this phenomenon is called the dispersion of light through the prism.

The visible pattern of the spectrum observed by us when the light passes through the prism is because of the change in the wavelength of the various colour lights.

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Knowing how light reflects off different subjects will allow you to overcome potential problems like hot spots or red eyes. Hot spots are areas in an image that are much lighter and brighter, and they’re caused by specular reflection.

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Without light, photography doesn’t exist. And knowing how light works and interacts with your subject — and with your camera — will make you a better photographer.

Through this experiment, he concluded that light is made up of a spectrum of light. To further prove his experiment he from some other tests as

Refraction of light is the change in the direction of light when it changes its propagation of the medium whereas reflection is the change in direction of the light after striking through a solid surface.

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Different colours in the light range have different wavelengths. Therefore, the speed at which they bend varies depending on the wavelength, in which the Violet light bends most, and the Red bends the least. As a result, white light coming out from the prism breaks into the spectrum of the light.

The measure of refraction in the path of light after passing through the prism is measured by measuring the angle of deviation. The angle of deviation is defined as the angle made between the incident ray of light entering the prism and the refracted ray emerging out of the prism.

Specular reflection is light that hits a smooth surface and is reflected at the same angle. An example of specular reflection in photography is taking a picture of a reflection in a still body of water. In the photo above, the water is creating a specular reflection of light, and the forests and mountains are creating diffuse reflections of light.

When oil droplets fall on water, we see the different colours in them. This is because the light undergoes refraction when it passes from the oil to the water medium or vice versa. Hence the light is dispersed and we see the spectrum of different colours in the oil droplets.

Light is the single most crucial element of photography. Knowing the two types of reflected light and how to use them is vital when honing your skill. Here’s why.

Dispersion of light is the reason behind the formation of the rainbow. When it rains the tiny water droplets remain in the air. When the sunlight passes through water droplets the light gets dispersed and we see the dispersed light in the form of a Rainbow.

The deviation of the light waves after passing through the prism is inversely proportional to the wavelength of the light as the wavelength of the Violet light is the least and so the violet light get deviates the most, whereas the wavelength of the red light is the most and hence it gets deviates the least.

The reflection of light can be broken into two categories: diffuse reflection and specular reflection. Diffuse reflection is light that hits a surface and is reflected in many different directions. Almost all light you see on a daily basis is diffusely reflected.