Ângulo crítico

The Critical Angle Calculator is an online tool that allows you to calculate the critical angle, a fundamental concept in optics. The critical angle is the angle of incidence above which light can no longer be refracted and is totally reflected. This occurs when light passes from a medium with a higher refractive index to one with a lower refractive index.

The formula used to calculate the critical angle is θ_c = arcsin(n₂/n₁), where n₁ is the refractive index of the initial medium and n₂ is the refractive index of the final medium. This formula is derived from Snell's Law, which describes how light behaves when passing from one medium to another. With this calculator, you can quickly determine the critical angle for different combinations of media.

The critical angle is important in various applications, such as in fiber optics, where it is used to keep light within the core of the fiber, and in lighting systems, where it can be used to control the direction of light. Additionally, the concept of critical angle is also fundamental to understanding optical phenomena such as total internal reflection.

When using the Critical Angle Calculator, it is essential to be careful with the units and values entered, ensuring that the refractive indices are correct for the media in question. Additionally, it is essential to remember that the critical angle is a specific property of each interface between two media and can vary significantly depending on the characteristics of the media involved.