Table of Contents
Which kind of electromagnetic radiation are used in Lasik eye surgery?
Based on this reasoning, the best type of radiation is the ultraviolet rays. These rays have small wavelengths and are widely used in precision applications like LASIK eye surgery.
What is the wavelength range of IR and UV?
These three adjacent portions of the electromagnetic spectrum: infrared (IR), visible (vis), and ultraviolet (UV) are collectively known as optical radiation….Abstract.
| Ultraviolet | 100–400 nm |
|---|---|
| Infrared | 760–780 nm to 1 mm |
Is there a minimum wavelength?
Electromagnetic spectrum is like a chart that arranges the electromagnetic waves in the order of their wavelengths. Therefore, gamma rays have the minimum wavelength and the infrared radiations have the maximum wavelength.
What is wavelength range of visible light?
What is the visible light spectrum? The visible light spectrum is the segment of the electromagnetic spectrum that the human eye can view. More simply, this range of wavelengths is called visible light. Typically, the human eye can detect wavelengths from 380 to 700 nanometers.
What do you mean by ultraviolet visible and infrared radiation?
Light (also referred to in professional literature as radiation) is best thought of as a spectrum consisting of ultraviolet light (UV) at the short end, visible light in the center, and infrared (IR) wavelengths at the long end.
What kind of radiation makes up the electromagnetic spectrum?
Radiation is energy that travels and spreads out as it goes – the visible light that comes from a lamp in your house and the radio waves that come from a radio station are two types of electromagnetic radiation. The other types of EM radiation that make up the electromagnetic spectrum are microwaves, infrared light,…
How are the wavelengths of the EM spectrum measured?
Measuring electromagnetic radiation. The wavelengths of ultraviolet, X-ray, and gamma-ray regions of the EM spectrum are very small. Instead of using wavelengths, astronomers that study these portions of the EM spectrum usually refer to these photons by their energies, measured in electron volts (eV).
What are the wavelengths of reflected IR radiation?
Radiation in the reflected IR region covers wavelengths from approximately 0.7 µm to 3.0 µm, and is used for remote sensing purposes in ways very similar to radiation in the visible portion. (The region from 0.7 to 0.9 µm is detectable with film and is called the photographic IR band).
Which is the longest wavelength in the electromagnetic spectrum?
There is a lot of radiation around us which is “invisible” to our eyes, but can be detected and measured by sensors and used to our advantage. The visible wavelengths cover a range from approximately 0.4 to 0.7 m. The longest visible wavelength is red and the shortest is violet.