- #1
Sandeep T S
- 67
- 0
How wavelength of photon is measured experimentally?
I want more detailsCharles Link said:The wavelength of light can be determined from the interference pattern that is created from two-slit interference, and much more precisely by the interference pattern that results from a diffraction grating using a diffraction-grating based spectrometer that has a grating with hundreds and/or thousands of equally spaced lines/grooves: For both two two-slit interference, and for a grating with many lines, ## m \lambda= d \sin(\theta) ## for the location of the primary interference maxima, but the measurement with a many-line grating is far more precise.
Please give a couple of sentences or more then of what you are looking for. You are asking one sentence questions. If you would read my first reply carefully, and perhaps google things like two-slit interference, it already is quite detailed.Sandeep T S said:I want more details
Wavelength is a measure of the distance between two consecutive peaks or troughs of a wave. In the context of photons, it refers to the distance between two consecutive peaks or troughs of an electromagnetic wave, which is the wavelength of the photon.
The wavelength of a photon is inversely proportional to its energy. This means that as the wavelength increases, the energy of the photon decreases, and vice versa. This relationship is described by the equation E=hc/λ, where E is the energy of the photon, h is Planck's constant, c is the speed of light, and λ is the wavelength of the photon.
The wavelength of a photon is typically measured in units of meters (m) or nanometers (nm). In some cases, it may also be measured in other units such as angstroms (Å) or micrometers (μm).
The wavelength of a photon can be measured experimentally using various techniques such as diffraction gratings, interferometers, or spectroscopy. These methods involve passing light through a medium or a series of mirrors and measuring the resulting interference pattern or absorption spectrum to determine the wavelength of the light.
No, the wavelength of a photon cannot be directly observed as it is a property of light waves and not a physical object. However, it can be indirectly measured through its effects on other objects or by using specialized equipment and techniques as mentioned in the previous question.