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Why is gamma a ray and not a particle?
Gamma rays (γ) are weightless packets of energy called photons. Unlike alpha and beta particles, which have both energy and mass, gamma rays are pure energy. Gamma rays are similar to visible light, but have much higher energy. Gamma rays are often emitted along with alpha or beta particles during radioactive decay.
Why is gamma a ray?
Gamma rays originate from the settling process of an excited nucleus of a radionuclide after it undergoes radioactive decay whereas X-rays are produced when electrons strike a target or when electrons rearrange within an atom.
Why is it inappropriate to refer to gamma rays as gamma particles?
Gamma rays have no mass. Hence not a particle.
How did gamma rays get their name?
The name “gamma rays” came from Ernest Rutherford. When scientists first studied how atomic nuclei changed form, they identified three types of radiation based on how far they penetrated into a barrier made of lead. Ernest Rutherford named the radiation for the first three letters of the Greek alphabet.
Why gamma rays become most penetrating electromagnetic wave?
The great penetrating power of gamma rays stems from the fact that they have no electric charge and thus do not interact with matter as strongly as do charged particles.
Why are gamma rays difficult to detect?
Cosmic gamma rays are difficult to detect for at least two reasons: (1) there are not many of them compared to other things that "look" like cosmic gamma rays to a detector, but aren't; and (2) they have so much energy that it is hard to "capture" one at all!
How does a gamma ray telescope work?
Since gamma rays have so much energy, they pass right through the mirror of a standard optical telescope. Instead, gamma rays are detected by the optical flashes they produce when interacting with the material in a specially designed instrument such as a scintillation detector.
How does a gamma ray spectrometer work?
The Gamma Ray Spectrometer is known as the GRS. The spectrometer has mapped the amounts and types of chemical elements at or near Martian surface by measuring the way gamma rays from space change when they interact with different surface materials.
When a gamma ray is emitted by an element What happens to the atomic mass and the atomic number?
Gamma radiation produces not only the least change in mass and atomic numbers, but produces no change in mass number, atomic number, or electric charge.