Table of Contents
How many Hertz is infrared radiation?
Infrared radiation oscillates at rates between 300 gigahertz (GHz or 109 hertz) and 400 terahertz (THz or 1012 hertz). The infrared spectrum is sometimes subdivided into the far infrared (1 mm to 10 µm wavelengths), mid infrared (10 to 2.5 µm wavelengths), and near infrared (2,500 to 750 nm wavelengths).
What is the wavelength of infrared?
Infrared radiation (IR), also known as thermal radiation, is that band in the electromagnetic radiation spectrum with wavelengths above red visible light between 780 nm and 1 mm. IR is categorized as IR-A (780 nm-1.4 µm), IR-B (1.4-3 µm) and IR-C, also known as far-IR (3 µm-1 mm).
What is the frequency of a microwave in Hz?
Microwave frequencies range between 109 Hz (1 GHz) to 1000 GHz with respective wavelengths of 30 to 0.03 cm. Within this spectral domain are a number of communication systems applications that are important in both the military and civilian sectors.
What is the frequency range of UV light?
Ultraviolet (UV) light falls in the range of the EM spectrum between visible light and X-rays. It has frequencies of about 8 × 1014 to 3 × 1016 cycles per second, or hertz (Hz), and wavelengths of about 380 nanometers (1.5 × 10−5 inches) to about 10 nm (4 × 10−7 inches).
What’s the highest frequency humans can hear?
Humans can detect sounds in a frequency range from about 20 Hz to 20 kHz. (Human infants can actually hear frequencies slightly higher than 20 kHz, but lose some high-frequency sensitivity as they mature; the upper limit in average adults is often closer to 15–17 kHz.)
Which has higher frequency ultraviolet or infrared?
While both are on the high frequency end of the spectrum, ultraviolet has the higher frequency. Infrared radiation has a lower frequency and less radiant energy so when it interacts with matter, it causes the molecules to vibrate and result in heat emission. On the other hand ultraviolet radiation possesses a higher frequency…
Do infrared waves have a high frequency?
Infrared rays are electromagnetic waves with wavelengths shorter than those of radio waves. Infrared rays have a higher frequency than radio waves, so they have more energy than radio waves. Because you can feel the energy of infrared rays as heat, these rays are often called heat rays.
What are the dangers of infrared waves?
Infrared waves are incredibly versatile, but they can also be dangerous. Infrared radiation has a longer wavelength and lower frequency than visible light. Too much exposure can damage your eyes and skin. On a global scale, trapped infrared radiation contributes to global warming.
What are the dangers of infrared radiation?
Prolonged exposure to high levels of infrared radiation might lead to burns and cause eye problems, including cornea and retina damage, cataracts and injuries to the eye lens.