ALPHA RAY Meaning and
Definition
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Alpha ray, also known as alpha particle, refers to a type of radiation that consists of a stream of high-energy particles. These particles are positively charged and are identical to the nucleus of a helium atom, consisting of two protons and two neutrons. Alpha rays are commonly emitted during the process of radioactive decay by certain unstable atomic nuclei, such as those of uranium or radium.
Having the lowest penetrating power among the types of ionizing radiation, alpha rays can be easily stopped by just a few centimeters of air or a piece of paper. However, they possess a significant amount of ionizing energy, which means they can cause damage to living tissue upon contact. This makes alpha particles potentially hazardous if inhaled or ingested.
Due to their positive charge and relatively large size compared to other types of radiation, alpha rays have a limited range and tend to travel only a few centimeters in air or matter. Consequently, they are not capable of passing through the outer layer of the skin or clothing. Nonetheless, if an alpha-emitting radioactive source is in close proximity to a person, they can cause harm through direct contact with the skin or if inhaled or ingested into the body.
Alpha rays are commonly used for various purposes, including in scientific research, medical applications, and as a power source in certain types of smoke detectors. Shielding materials such as plastic, paper, or clothing can effectively block or reduce the penetration of alpha particles, ensuring safety from their harmful effects.
Common Misspellings for ALPHA RAY
- zlpha ray
- slpha ray
- wlpha ray
- qlpha ray
- akpha ray
- appha ray
- aopha ray
- allha ray
- al-ha ray
- al0ha ray
- alpga ray
- alpba ray
- alpna ray
- alpja ray
- alpua ray
- alpya ray
- salpha ray
- alpharay
- lapha ray
Etymology of ALPHA RAY
The term "alpha ray" originated from the Greek letter "alpha" (Αα), which represents the first letter of the Greek alphabet. The use of "alpha" in this context signifies the fact that alpha rays are the first type of radiation discovered in a series of radioactive emissions. These rays consist of energetic helium nuclei, composed of two protons and two neutrons, and were identified by Ernest Rutherford in the early 20th century. By naming them "alpha rays", Rutherford recognized their position as the initial radiation encountered in his experiments, leading to the subsequent identification of beta and gamma rays.
Similar spelling words for ALPHA RAY
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