Calculate the wavelength of a photon

A ground state H atom absorbs a photon of energy 2. As the atom relaxes, it emits two photons: one of wavelength nm to reach an intermediate level, and a second to reach the ground state.

Many, many problems in physics and chemistry require you to use an energy-to-wavelength calculator. Do you have an energy transition between two states and wonder what wavelength of light this corresponds to? Have you the energy of two waves that have undergone a constructive or destructive interaction and want to find the new wavelength? If so, you've found the right place in Omni's energy-to-wavelength calculator, which will help you learn how to calculate wavelength from energy for a photon or wave! The energy to wavelength formula relies upon two other equations: the wave speed equation and the Planck—Einstein relation.

Calculate the wavelength of a photon

Last Updated: January 12, Fact Checked. This article was co-authored by Meredith Juncker, PhD. Her studies are focused on proteins and neurodegenerative diseases. There are 7 references cited in this article, which can be found at the bottom of the page. This article has been fact-checked, ensuring the accuracy of any cited facts and confirming the authority of its sources. This article has been viewed 1,, times. Wavelength is the distance of 1 frequency wave peak to the other and is most commonly associated with the electromagnetic spectrum. If you know the speed and frequency of the wave, you can use the basic formula for wavelength. If you want to determine the wavelength of light given the specific energy of a photon, you would use the energy equation. Calculating wavelength is easy as long as you know the correct equation. This equation can also be used to determine the maximum wavelength of light necessary to ionize metals. Simply use the energy required for ionization and solve for the corresponding wavelength. Just plug in the wave's speed and frequency to solve for the wavelength. Remember to use the correct units when you're using the formula and writing your answer.

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Last Updated: January 12, Fact Checked. This article was co-authored by Meredith Juncker, PhD. Her studies are focused on proteins and neurodegenerative diseases. There are 7 references cited in this article, which can be found at the bottom of the page. This article has been fact-checked, ensuring the accuracy of any cited facts and confirming the authority of its sources. This article has been viewed 1,, times.

Calculate the wavelength of a photon

The wavelength of photons tells us about their energy. So in this article, we will look at what is the wavelength of photons and how to find it. Let us begin. Photons travel through electromagnetic waves. As the photon is ultimately a part of the electromagnetic wave, its wavelength will be the same as the electromagnetic wave. If the energy and frequency of a photon are known, then from that, one can easily find the wavelength of the photon. As the energy that is contained by photons is not divisible, they are often described as energy packets. Maxwell has described photons as electric fields which are traveling through space. Or, to put it another way, photon energy is stored in the form of an oscillating electric field that can oscillate at any frequency. Thus a quantum of electromagnetic radiation or energy is called a photon.

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This can be seen if you examine the relationship between the two values - energy is inversely proportional to wavelength. Thank you for your feedback. Yes No. Calculating wavelength is easy as long as you know the correct equation. Thank you. Calculate wavelength with the wavelength equation. Do you have an energy transition between two states and wonder what wavelength of light this corresponds to? How to. The wave speed equation looks like this:. Popular Categories. Co-authors: Sign up for wikiHow's weekly email newsletter Subscribe You're all set! Multiply the frequency by Planck's constant , 6.

With this photon energy calculator, you can explore the relationship between the wavelength and frequency of the photon and its energy. Read the text below to find out how to calculate the energy of a photon and what is Planck's equation. The light seems to us to have a wavy character.

Log in Social login does not work in incognito and private browsers. Categories: Physics. To solve, multiply the constants together and then divide by the energy. Trending Articles How to. We can find the energy of the first photon given the wavelength of nm. Sample Wavelength Calculator. More References 1. The new speed is equal to v 1. If you know the energy of the photon, you can calculate its wavelength. We hope this tool provides you with everything you need to solve your problem. If you want to calculate the wavelength of a wave, then all you have to do is plug the wave's speed and wave's frequency into the equation. If you want to learn more, like how to calculate wavelength with the energy formula, keep reading the article! Check out the impact meat has on the environment and your health.