The dimension of a photon is a point particle, meaning it is considered to have zero dimensions. This is because it does not have any physical size or shape, unlike particles such as electrons, which have a measurable size.
When a photon collides with an electron, it transfers energy and momentum to the electron. This can cause the electron to change its direction or speed, or even to be ejected from an atom or molecule.
No, the dimension of a photon is a fundamental property that does not change. However, its wavelength and frequency can change, which affects its energy and momentum.
Scientists use a variety of methods, including scattering experiments, diffraction studies, and spectroscopy techniques, to examine the effects of a photon impacting an electron. These methods allow us to observe and measure the changes in energy and momentum of the electron after the photon interaction.
The concept of a photon having zero dimensions challenges our traditional understanding of light as a wave. It also helps explain the particle-like behavior of light in certain situations, such as the photoelectric effect. Understanding the dimension of a photon is crucial in understanding the dual nature of light as both a wave and a particle.