What is true about infrared radiation?
Infrared radiation is a type of electromagnetic radiation with longer wavelengths than visible light. It is commonly associated with heat, as it is emitted by objects that are warm. Infrared radiation is used in a variety of applications, such as thermal imaging, communication, and remote controls.
Radiation Safety is the profession and process of understanding and dealing safely with radiation. This includes agents such as radio waves, radar, microwave ovens, bright lights, lasers, tanning booths, ultra-violet curing lamps, mercury vapor lights, x-rays, and radioactive materials.
Wow, that's both an easy question as well as difficult to answer. In layman's terms, electromagnetic radiation could be categorized as any magnetic field created by electrical or electronic means.
For example, a transmitted radio signal, TV signal or satellite signal consists of electromagnetic radiation, but then so does the field created by the coils in a transformer, motor or generator.
An ionizing radiation is a radiation that is strong enough (energetic enough) to produce ions, that is, to separate electrons from an atom (thus leaving behind a charged atom, known as an ion)
Gamma radiation (γ radiation) is a type of ionizing radiation that is composed of high-energy photons. It is emitted during radioactive decay processes and can penetrate deeply into materials, making it potentially damaging to living organisms. Protection measures such as shielding are important when working with sources of gamma radiation.
'Nuclear' means of or to do with the nucleus of something. It usually, but not always, refers to the nucleus of an atom. From this, we get nuclear energy (energy stored in the nucleus when it forms) nuclear bombs/power stations (which utilise this energy for certain purposes) and nuclear charge (the electrical charge in/on a nucleus), among many other terms.
Radiation, which comes in a couple of harmful forms, can be either electromagnetic or particulate. The dangerous electromagnetic radiation includes X-rays and the more potent gamma rays. Particulate radiation takes a number of forms which include alpha, beta, proton and neutron radiation. All these forms of radiation are what are called ionizing radiation. The ability of this radiation to penetrate varies, but the energies carried by ionizing radiation can damage genetic material within cells. This can result in cellular damage, mutation or even the death of the cell. Biologic material is seriously threatened by these types of radiation, and exposure should be minimized if not completely eliminated.
Radiation rays are forms of energy that travel through space in the form of electromagnetic waves or particles. They can be natural, such as sunlight or cosmic rays, or man-made, like X-rays or radiation from nuclear reactions. Depending on the type and intensity, radiation rays can have various effects on living organisms and materials.
Radiation treatments use high-energy beams to target and kill cancer cells. The goal is to damage the DNA of the cancer cells to prevent them from growing and spreading. Radiation therapy may be used alone or in combination with other treatments like surgery or chemotherapy.
Infrared radiation and visible radiation?
Visible radiation (a.k.a. light) is the wavelengths we can see. Infrared radiation lies down below the red end of the spectrum that we can see, hence infra red. But we can make device that both generate and detect infra red radiation. Your TV control works this way.
Radiation is bad for us because most of the types of electromagnetic radiations are high in energy. This high energy waves can cause damage to our cells. Prolonged exposure to gamma rays can be bad for health.
Radiation is a general term for the energy transmitted through space.
Incident radiation is a term used when referring to the radiation hitting a specific surface. For instance, the incident radiation for a solar panel is the total amount of radiation hitting the surface of the solar panel. This is in contrast to direct beam radiation which refers to only that radiation which arrives in a strait line from the sun. (It differs in that total incident radiation includes additionally the component of diffuse radiation.)
The Nuclear bomb poured out harmful Radiation everywhere within a one hundred mile radius.
What is ultraviolent radiation?
Ulraviolet radiation is the portion of the electromagnetic spectrum extending from the violet end of visible light to the X-ray region.Ultraviolet (UV) radiation lies between wavelengths of about 400 nanometres and 10 nanometres, corresponding to frequencies of 7.5 × 1014 Hz to 3 × 1016 Hz.
Radiation refers to the emission of energy in the form of waves or particles. It can be in various forms, including electromagnetic radiation like X-rays and gamma rays, as well as particulate radiation emitted by radioactive materials. Exposure to excessive levels of radiation can be harmful to living organisms.
What is electromagnetic radiation?
Electromagnetic waves are the mechanism by which electromagnetic energy (electromagnetic radiation) moves. They are composed of two components: an electric wave, or an electric field, and a magnetic wave or magnetic field. The fields are in dynamic motion, and these two waves are in phase and move at 90 degrees to each other. The orientation of this "package" can vary in the space through which it moves, which leads to what we term polarization, but the electric and magnetic components always maintain the right angle relationship to each other. Draw an "X" with the angles it creates equal to 90 degrees. Got it? A cross? Now rotate it just a bit. The whole thing. Now a bit more. Now a bit more. You are looking at the electromagnetic wave as it's coming at you (or going away), and you're changing the polarization of the cross without changing the cross itself. Let's jump.
One of the four basic forces in the universe is the electromagnetic force. Not the electric force, not the magnetic force, but the electromagnetic force. You can't have one without the other. Ever. A magnetic field is always created by some sort of charge movement. It is the only way a magnetic field can be created. Just like you can't have gravity without mass, you can't have magnetism without some sort of charge movement. Any time a charge moves, a magnetic field is created. All the time. Every time. No exceptions. Let's jump to go a step further.
Let's take a simplified example. Picture a pond as smooth as glass. We walk out on a low dock and kneel down at the water. Then we take our index finger and just "tap" the surface of the water one time. A ripple is generated, and it moves out away from the point where we initiated it. We good? Let's bounce a bit. If we take a charged particle like, say, an electron that is in orbit around an atom, and we give it some energy to kick it out to the next higher orbital; we have ionized the atom. The electron will then "dump" that extra energy and return to its original orbital. That energy it dumps will take the form of a "particle" or "package" of energy - a quantum of energy. And it is a moving electric and a complimentary moving magnetic field - just like the ripple on the pond. Only it is this "coupled" electric and magnetic "bundle" of energy. It's a photon, or a quantum of electromagnetic energy.
The energy of the wave is carried in the moving fields, and that is why the wave does not require a medium through which to travel. In fact, anything other than a vacuum will attenuate or "suck energy" out of the wave a bit at a time through the distance through which the wave travels in that medium.
As you might have guessed, electromagnetic radiation comes in different "amounts" or amplitudes, and in different frequencies (energies). From radio waves through microwaves, and through infrared light, visible light, ultraviolet light and X-rays all the way to gamma rays, there is a full spectrum of this energy.
This gets deep, but the essence of what is happening is here. Simple, but subtle and elegant. Reachable by even elementary school investigators. It is the essential nature of the universe we live in.
Wikipedia has more information, and a link is provided below to their post on electromagnetic radiation. Further investigation is encouraged. At least surf on over and look at the drawing of the moving and electric and magnetic fields to lock that in. Maybe skim the article while you're there, or at least bookmark it. You've just peeked through the window in the quantum mechanical universe. Enjoy the view. Wonder at it. It is the reality in which we live.
Radiation is commonly used in medicine for diagnostic imaging (X-rays, CT scans) and cancer treatment (radiation therapy). It is also used in industry for sterilizing medical equipment, food preservation, and inspecting materials for defects. Additionally, radiation is used in research, such as carbon dating in archaeology and studying the universe through telescopes.
Radiation was classified by Henri Becquerel, Marie Curie, and Pierre Curie in the late 19th and early 20th centuries. They discovered different types of radiation, such as alpha, beta, and gamma radiation, and defined their properties and effects.
Radiation, while it has negative connotations, can also be important for the treatment of some extreme diseases. It also is known to have value in changing chemical molecules, which is important for biological purposes.
This is a wide ranging question, there are hundreds of radioactive isotopes, all with their own characteristics of half life, type of radiation, and energies produced. The common feature is that the nucleus of an active isotope is in an unstable condition and emits radiation to achieve a more stable one. Often there are long chains of daughter products before a fully stable isotope is reached, like lead for example. I recommend you to look up in Wikipedia articles such as Radioactivity.
I not sure how the first radio active element was formed but when it release radiation it also release other radioactive elements.
For example:
the element actinium, radiates and releases thorium. thorium radiates and releases francium. all of these are radioactive elements.
Radiation travels through space or material in the form of energy waves or particles. The three main types of radiation are electromagnetic (such as light), particle (such as alpha or beta particles), and acoustic (such as sound waves). The movement of radiation is determined by factors such as its energy level and the medium it is traveling through.
Somatic effects refer to physical effects of exposure to radiation on the body's tissues and organs, such as skin burns or radiation sickness. These effects may manifest immediately or over time, depending on the dose and duration of exposure.
Why are film badges unsuitable for detecting alpha particle radiation?
Film badges are typically designed to detect higher-energy radiation, such as gamma and beta particles. Alpha particles have low penetrating power and are usually stopped by air or a thin layer of material, which can prevent them from reaching the film inside the badge to create an image. As a result, film badges may not be sensitive enough to detect alpha particle radiation effectively.
What happens if you have radiation poisoning?
Radiation poisoning can lead to symptoms like nausea, vomiting, weakness, and hair loss. In severe cases, it can cause damage to organs and tissues, leading to potentially life-threatening conditions. Treatment may include medication to help remove radioactive materials from the body and support for symptoms like dehydration and infections.