27. In regards to LET, which of the following radiatioas is different than the A. Gamma rays B. Alpha particles C. Neutron beam D. Proton beam others?
Radioactive decay
The emission of energy to produce ionizing radiation is known as radioactive decay. Alpha, beta particles, and gamma rays are examples of ionizing radiation that could be released. Radioactive decay happens in radionuclides, which are imbalanced atoms. This periodic table's elements come in a variety of shapes and sizes. Several of these kinds are stable like nitrogen-14, hydrogen-2, and potassium-40, whereas others are not like uranium-238. In nature, one of the most stable phases of an element is usually the most prevalent. Every element, meanwhile, has an unstable state. Unstable variants are radioactive and release ionizing radiation. Certain elements, including uranium, have no stable forms and are constantly radioactive. Radionuclides are elements that release ionizing radiation.
Artificial Radioactivity
The radioactivity can be simply referred to as particle emission from nuclei due to the nuclear instability. There are different types of radiation such as alpha, beta and gamma radiation. Along with these there are different types of decay as well.
![27. In regards to LET, which of the following radiations is different than the
A. Gamma rays
B. Alpha particles
C. Neutron beam
others?
D. Proton beam
28. In this graph that shows two trends with respect to energy for
water and lead, what process does "a" represent?
A. Pair Production
B. Compton Scattering
C. Photodisintegration
D. Photoelectric Absorption
100-N
10-
HM 1
1-
.01-
.001
10
100
.01
Mev
29. Which of the following radiation parameters is no konger in use today?
A. Effective dose
B. Equivalent dose
C. Tolerance dose
D. Exposure
30. This schematic depicts a device that meastures radiation exposure.
Three of the following things happen in the gray-shaded area.
Which one does not happen?
A. Radioactive decay
B. Particle ionization
C. Photoelectric absorption
D. Charge migration
31. What is the SI equivalent of a 9.2-R exposure?
A. 3.8x10" C/kg
B. 2.2x 10" C/kg
C. 3.6x10' C/kg
D. 2.4x 10 C/kg](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fa7d8c1cd-b929-42f8-b6f5-71ce85623ad3%2Fe1fac328-f921-42ce-a6b3-76186055a557%2Fjtzofq_processed.jpeg&w=3840&q=75)
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