Reflection, refraction

To understand refraction and reflection of a plane wave on a plane surface using wavefront, there are some concepts that you need to be clear with. Refraction of a wave Waves change direction when they pass from one medium to another. This phenomenon is called refraction.  Refraction can occur in different types of mediums like […]

Lenses are transparent mediums bounded by two surfaces; of which, at least one must be curved. When the gap between two surfaces of a lens is very small, it is considered thin. When the focal length is positive, a lens will be converging; if it is negative, it will be diverging. As a consequence, we

Lens Formula Lens formula is given as:      1/a-1/b=1/f  Where, a = distance of the image from the lens b = distance of the object from the lens f = focal length of the lens This lens formula is applicable for both concave and convex lenses. Introduction A lens is a piece of transparent

The visible light spectrum, like all other types of light, is absorbed and released in the form of tiny packets of energy known as photons, which are tiny packets of energy. These photons exhibit both the characteristics of a wave and the characteristics of a particle. As a result, this type of phenomenon is referred

The lens is a transparent medium that is bordered by two surfaces, at least one of which must be curved in order for the lens to function. When the distance between the two sides of a lens is exceedingly short, it is said to be thin. When a lens has a positive focal length, it

Lens formula Introduction A lens is a transmissive optical device that can focus or disperse a light beam using refraction. A simple lens consists of a transparent material. There are two main types of lens: convex lens and concave lens. We will learn about them in detail. Glasses or plastics make lenses, and they are

Zinc sulphide is one of the most common phosphorescent materials. Phosphorescent is a particular type of photoluminescence. Unlike fluorescent substances, phosphorescent material emits focused energy at once. In fluorescence, the desire is instant and generally only visible if the light source is continuously on, such as a UV light. At the same time, phosphorescent material

Understanding ellipses can help in comprehending the mathematics behind four-dimensional objects. An ellipse is a geometric object that serves as the location of the two foci of a set of circles specified by a parameter. It is a curve in a plane surrounding two focus points and has a constant distance between any point on

Thin-film interference occurs when a lightwave is reflected off two surfaces separated by a distance equal to its wavelength. We witness distinct coloured patterns when light waves that reflect off the top and bottom surfaces collide. During this process, light strikes the border between the two media. With some of it being reflected and some

Introduction The eye is a complex organ. It allows animals to view the world around them and the objects in it. Whether the objects are far or near, eyes allow us to see and place them. Eyes also allow us to see and process various shapes and colours. In some ways, the eye is like