How can a photon have a frequency?

In summary, a photon's energy is determined by its frequency, according to the equation E=hf. This may seem confusing since we usually associate frequency with waves, not particles. However, a photon is both a particle and a wave, and its frequency corresponds to the wave-like behavior of light. So while a single photon may not have a frequency on its own, it is still affected by the frequency of the light wave it is a part of.
  • #1
DiamondV
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Homework Statement


Im being told that each quantum of light(a photon) has energy which is equal to hf. (E=hf). Now what I don't understand is how can a photon have a frequency? Shouldnt the light wave(which is made up of quanta called photons) have the frequency and not the photon itself?
How is it possible for a single photon to have a frequency?

Homework Equations

The Attempt at a Solution

 
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  • #2
DiamondV said:

Homework Statement


Im being told that each quantum of light(a photon) has energy which is equal to hf. (E=hf). Now what I don't understand is how can a photon have a frequency? Shouldnt the light wave(which is made up of quanta called photons) have the frequency and not the photon itself?
How is it possible for a single photon to have a frequency?

Homework Equations

The Attempt at a Solution

Read this article, especially the first paragraph:

https://en.wikipedia.org/wiki/Photon
 

1. What is quantum physics?

Quantum physics is a branch of physics that studies the behavior and interactions of particles at the smallest scales, such as atoms and subatomic particles. It involves principles such as superposition, entanglement, and uncertainty, which differ from the classical laws of physics.

2. How is quantum physics different from classical physics?

Quantum physics is different from classical physics because it describes the behavior of particles at the microscopic level, while classical physics explains the behavior of larger objects. Quantum physics also involves concepts like wave-particle duality and the probabilistic nature of particles, which are not found in classical physics.

3. What are some real-world applications of quantum physics?

Quantum physics has many applications in modern technology, including transistors, lasers, and magnetic resonance imaging (MRI). It also plays a crucial role in fields such as cryptography, quantum computing, and quantum teleportation.

4. How is quantum physics relevant to everyday life?

Although quantum physics may seem abstract and far removed from our daily lives, it actually has many practical applications that we use every day. For example, the principles of quantum mechanics are used in the development of electronic devices, such as smartphones and computers, which are essential to our daily routines.

5. What are some current challenges in the field of quantum physics?

One of the biggest challenges in quantum physics is understanding and reconciling it with the laws of classical physics. Another challenge is developing a theory of quantum gravity, which would explain the behavior of particles at the smallest scales and unify it with the theory of relativity. Additionally, there are ongoing efforts to harness the power of quantum mechanics for practical use, such as building more powerful quantum computers.

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