Energy of n-Photons: Find Equation

Thread starter HeisenbergC
Start date May 18, 2020
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Energy

In summary, the equation for finding the energy of an n-photon is E = hn, where E is the energy, h is Planck's constant, and n is the number of photons. The energy of an n-photon differs from a single photon in that it is proportional to the number of photons present, as shown in the equation E = hn. The more photons present in a system, the higher its energy due to the addition of individual photon energies. The energy of an n-photon cannot be negative, as n, Planck's constant, and the frequency of photons are all positive values. Finally, the energy of an n-photon is inversely proportional to the wavelength of the photons, as described by the equation E

May 18, 2020

HeisenbergC

Homework Statement: Write down equation for energy of n-photons

Relevant Equations: \sum_{n=1}^{\infty }nhf

Hi, can anyone help me with this problem? Find equation for energy of n-photons
Thank you.

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May 18, 2020

DrClaude

Mentor

Can you give the full text of the question? There seems to be something missing.

Also, we at PhysicsForums will gladly help you with your work, but you need to put in some effort. You will have to show us an attempt at a solution.

1. What is the equation for calculating the energy of n-photons?

The equation for calculating the energy of n-photons is E = nhf, where E is the energy in joules, n is the number of photons, h is Planck's constant (6.626 x 10^-34 joule seconds), and f is the frequency of the photons in hertz.

2. How is the energy of n-photons related to their frequency?

The energy of n-photons is directly proportional to their frequency. This means that as the frequency increases, so does the energy of the photons. This relationship is described by Planck's equation, E = hf, where h is Planck's constant.

3. Can the energy of n-photons be negative?

No, the energy of n-photons cannot be negative. Energy is always a positive quantity and cannot have a negative value. In the equation E = nhf, n represents the number of photons, which is always a positive value. Therefore, the energy of n-photons can never be negative.

4. How does the energy of n-photons change with the number of photons?

The energy of n-photons is directly proportional to the number of photons. This means that as the number of photons increases, the energy also increases. This relationship is described by the equation E = nhf, where n is the number of photons. Therefore, the more photons there are, the greater the energy of the system.

5. Can the energy of n-photons be converted into other forms of energy?

Yes, the energy of n-photons can be converted into other forms of energy. This is known as the photoelectric effect, where photons transfer their energy to electrons, causing them to be ejected from a material. The energy of n-photons can also be converted into heat or chemical energy through various processes such as absorption or emission of light.