Interferência Young
- Created by
- Renato Passos, Eng. de Software
- Reviewed by
- Renato Passos, Eng. de Software
Last updated: Apr 18, 2026
About this calculator
The Young Interference Calculator is an online tool that helps determine the distance between interference fringes in a double-slit experiment. The formula used is y = mλL/d, where y is the distance between fringes, m is the order of the fringe, λ is the wavelength of light, L is the distance between the slits and the screen, and d is the distance between the slits. This formula is essential to understanding the interference phenomenon in optics.
The Young's double-slit experiment is a classic in optics and demonstrates the wave nature of light. By passing light through two nearby slits, an interference pattern is created on the screen, with light and dark fringes. The distance between these fringes depends on the parameters mentioned earlier. The calculator facilitates the calculation of this distance, allowing users to explore how different variables affect the interference pattern.
Young's interference has important applications in various areas, such as spectroscopy, holography, and precision optics. It is also fundamental to understanding natural phenomena, such as the formation of patterns in oil films on water. By using the calculator, it is possible to interactively and intuitively explore these concepts.
When using the calculator, it is essential to be careful with the units of the variables. The wavelength, the distance between the slits, and the distance between the slits and the screen must be in the same unit of length. Additionally, the order of the fringe (m) must be an integer. With these precautions, the calculator provides accurate and useful results for students and professionals in physics and engineering.
Frequently asked questions
What is Young's interference?
Young's interference is an optical phenomenon that occurs when light passes through two nearby slits, creating an interference pattern on the screen.
What variables are needed to calculate the distance between fringes?
The necessary variables are: order of the fringe (m), wavelength of light (λ), distance between the slits and the screen (L), and distance between the slits (d).
How does the distance between the slits affect the interference pattern?
The distance between the slits affects the distance between the interference fringes. The greater the distance between the slits, the smaller the distance between the fringes.
What are the applications of Young's interference?
Young's interference has applications in spectroscopy, holography, precision optics, and other areas.
How to use the Young interference calculator?
Just enter the values of the variables (m, λ, L, and d) and the calculator provides the distance between the interference fringes.