Which type of radiation can penetrate about 1 cm of human flesh and requires wood or aluminum as minimum protective shielding?

Q: Write the different effects of radiation on life?

A: The energy that either come from unstable atom (radioactive element) or from a machine, traveled in…

Q: Who discovered Radioactivity? How?

A: Radioactivity is the spontaneous emission of radiation in the form of particles or high energy…

Q: List some Radioisotopes used in Radiation Therapy?

A: Some of the radioisotopes used in Radiation Therapy, that has to be listed below.

Q: c. Type of radiation: Explanation: 214Pb 214 Bi 00 Proton Neutron

A:

Q: How does radiation affect living organisms?

A: Radiation is defined as the particles or waves having high energy. The emission or transmission of…

Q: Describe the meaning of the term natural radioactivity.

A: Natural radioactivity is a purely nuclear phenomenon. The nucleus of a radioactive substance is…

Q: Explain why different kinds of radiation affect biological tissues differently, even though the…

A: Different types of radiation affect the human tissues differently.

Q: Which of the following is NOT an example of radioactivity? * Being exposed to UV rays in a tanning…

A: Being exposed to UV rays in a tanning bed is an example of radiation in everyday life. Tc-99 can be…

Q: Describe some of the medical uses, both in diagnosis and in treatment of disease, of radioactivity?

A:

Q: Which of the following is NOT used to measure radiation? Geiger counter scintillation counter…

A: The exposure of radiation  is measured by Instruments .

Q: Describe several methods used to detect and measure radiation.

A: Describe several methods used to detect and measure radiation.

Q: A 75-kg man has a dose of 32.8 rad of radiation. How muchenergy is absorbed by his body? Compare…

A: 1 rad indicates that 0.01 joule of radiation is absorbed by per kilogram of the body. Hence, the…

Q: What radionuclide technique can be used to estimate the age of geological events up to a few billion…

A: Geological events can be defined as the events which are related to the rocks, formation of rocks,…

Q: Which of the following techniques used in medicine does not use nuclear radiation? a. PET Scan b.…

A: PET is an abbreviation for positron emission tomography. It uses radioactive drug as tracer in order…

Q: Which kind of radiation from radioactive substances is most dangerous to humans?  What type of…

A: The radioactive radiation emitted by radioactive substances are: i) Alpha radiation ii) Beta…

Q: Give examples of common radioisotopes used in medicine.

A: The examples of common radioisotopes used in medicine has to be given.

Q: Write a short note on Radiation Damage

A: Answer - Radiation Damage - Radiation damage can be defined as the displacement of many atoms from…

Q: What are the harmful biological effects of radiation and how do we protect ourselve from exposure?

A: The radiation is one of the hazardous agents. An accidental exposure of radiation during short…

Q: Which of the following types of radiation has the greatest penetrating ability?

A: Different types of radiations have varied penetrating power. Penetration means ability to pass…

Q: Iridium-192 is one radioisotope used in brachytherapy, in which a radioactive source is placed…

A: Given: The initial mass of iridium-192 = 4.75 g

Q: Explain the significance of the biological effectiveness factor in measuring radiation exposure.…

A: Significance of biological effectiveness factor are discussed as below,

Q: what is radiological dating? Explain the technique with detail

A: The radioactive dating technique is a scientific and elaborate technique applied for the estimation…

Q: Choose the appropriate drop-down to complete the paragraph. Gallium-67 has a half life of 78.1 hours…

A: lf life of Galium-67 = 78.1 hours lf life of Radium- 226= 1600 years

Q: List the effects of short-term exposure to radiation?

A: The effects of short term exposure to radiation has to be listed.

Q: A 75-kg human is exposed to 32.8 rad of radiation. How much energy is absorbed by the person’s body?…

A: Given, A 75-kg human is exposed to 32.8 rad of radiationUnit conversion:1 Rad = 0.01 Joule/Kg100 Rad…

Q: The ionization and damage created by alpha rays is more concentrated and harder for the organism to…

A: Ionizing radiation is the most harmful because it can ionize molecules or break chemical bonds,…

Q: How does ionizing radiation cause damage to cells of the body?

A: When ionizing radiation interacts with a cell, several things can happen: The radiation could pass…

Q: Iridium-192 is one radioisotope used in brachytherapy, in which a radioactive source is placed…

A: Radioactive decay follows first-order kinetics. The half-life of a radioactive decay is calculated…

Q: Why are stables isotopes not capable of producing radiation?  a. They halt the development of…

A: Stable isotope are elements with the same number of protons but different number of neutrons...…

Q: What was the dose of radiation received by a person living near Three Mile Island at the time of the…

A: 1 millirem

Q: Half life of radionuclide is 15.0 minutes. How many grams of 10.0 g will remain after 2.00 half…

A:

Q: When the radiation is from an external source, which type of radiation is most harmful to the human…

A: Radiation source is external and most harmful to the human body.

Q: Explain the significance of the biological effectiveness factor in measuring radiation exposure?

A: Biological effectiveness factor can be defined as the correction factor which provides the…

Q: What are the different ways of measuring the radiation exposure?

A: Radiation is energy that comes from a source and travels through space at the speed of light. This…

Q: If a 55-g laboratory mouse has a dose of 20.5 rad of radiation,how much energy is absorbed by the…

A:

Q: Which of the following is not a factor in determining the biological effects of radiation exposure?…

A:

Q: Describe the basic way that each device detects radioactivity: (a) film-badge dosimeter; (b)…

A: Film-badge dosimeter:It contains crystals of salts, such as calcium fluoride, that are excited by…

Q: Suppose the intensity of radiation from a given source is 150.0 radsat 1.5 miles, how far away from…

A:

Q: What are the biological effects of ionizing radiation?

A: Radiation is of two types; 1) Ionizing radiation 2) Non- Ionizing radiation

Q: Why are rems the preferred units for measuring the health effects of radiation?

A: REM (Roentgen equivalent man): This is a unit used to measure hazardous activity of radiations…

Q: Iridium-192 is one radioisotope used in brachytherapy, in which a radioactive source is placed…

A: The graph between time and percent of sample remaining is given in the question.  We can estimate…

Q: Complete the following equations with the correct particles and identify the mode of decay. (a) '0→…

A: Given,

Q: Who discovered radioactivity?

A: Who discovered radioactivity?

Q: 1. What is the minimum thickness of a shield made of iron with density (7.8 g/cm'), in order that no…

A: Given,  The energy of beta-ray pass through = 2.27 MeV Density of iron shield = 7.8 g/cm3

Q: Which type of radiation is most ionising? Most penetrating?

A: Energy is emitted in the form of radiations by unstable nucleus which may be of different types like…

Q: /hat dose of radiation does a person receive when they have a dental x-ray? O 4 mrem 0.5 mrem O 1…

A: X-ray is form of electromagnetic radiations. These radiations produced when charged particles of…

Q: Describe the process of detecting radio-activity?

A: An unstable nuclei undergoes radioactive decay to make itself stable. Any material which contains…

Q: The intensity of radioactivity depends on the distance of the recipient from the source of radiation…

A: The intensity of radiation depends on the distance between the source and the sink/receiver and is…

Q: /hat type of shielding is needed to prevent alpha, beta an ne effects of exposure of these three…

A: