Which of the following would be used to perform a survey of an area in which a small amount of radioactivity is expected be present? a)Nal(TI) b) Dose calibeator c)Geiger-Muller counter

Q: A Geiger- Mueller counter registers an initial reading of 3200 counts while measuring a radioactive…

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Q: The radioactivity of a substance can be neutralized by?

A: The objective of the question is to understand how the radioactivity of a substance can be…

Q: hromium-51 is used in imaging red blood cells and has an effective half-life of 27 days.   If a dose…

A: Given: The half-life time of the red blood cell is 27 days. The initial activity is 24 μCi. The…

Q: . A saline solution of 24Na with an activity of 300 kBq is injected into the bloodstream of one…

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Q: A sample of silver contains 5.00 micrograms of Ag-105.  Determine the activity of the sample in…

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Q: Radioactive indium-111 has an effective half-life of 2.5 days.If a dose with an activity of 3.0 mCi…

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Q: Consider 6 µg of 210 Po. (a) What is the rate in disintegrations per sec? (b) What is the energy of…

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Q: You go to the doctor and he gives you 13 milligrams of radioactive dye. After 24 minutes, 7.75…

A: Given, An initial dose of the dye, N0=13mg After 24 minutes 7.75mg of the dye remains.…

Q: Directions: A. Fill in the table below for each type of radioactivity. Name Charge Mass Greek symbol…

A: Alpha particles (a) are composite particles consisting of two protons and two neutrons tightly bound…

Q: A Geiger counter registerss a count rate of 6,800 counts per minute from a sample of a radioisotope.…

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Q: If we had a radioactive waste giving off 5 MeV of gamma radiation, how thick would the following…

A: Given: Radiation needs to be reduced by 99%=0.99 To find: The thickness of substances for air,…

Q: TYPE OF RADIOACTIVITY ARE | 1. NATURAL O 2. ARTIFICIAL

A: In this solution, we will discuss the types of radioactivity.

Q: The maximum permissible workday dose for occupational exposure to radiation is 26 mrem. A 55-kg…

A: Here's how to find the ratio of the equivalent dose to the maximum permissible dose:Convert absorbed…

Q: Technetium-99 m has a half life of 4.8 hours. If a patient receives a dose with an activity of 60.2…

A: Given data :          Half life (t1/2) = 4.8 hours          Dose received (N0) = 60.2 mCi…

Q: technetium half life is 4.8 hours. If a patient receicves a dose with an activity of 35.9 mCi of…

A: Half life of technetium (t1/2) = 4.8 hours Initial activity (Ao) = 35.9 mCi

Q: What is the effective dose received by the prostate gland for an external source in a case where the…

A: Absorbed dose = 760 J/kg  Radiation = beta particles  Weighting factor for prostate gland tissue =…

Q: building has become accidentally contaminated with radioactivity. The longest-lived material in the…

A: Answer is 1685.2 years

Q: Define the term “radioisotope”. b) Define the term “radiopharmaceutical

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Q: A sphere of water with a radius of 5 cm contains a uniform distribution of 150, with a level of…

A: Solution: (a) To calculate the absorbed dose rate at the sphere due to charged particles, we can use…

Q: Why is it necessary to take special safety precautions when using radioactivity?

A: The radioactivity is expressed as a nuclear process in which decay of unstable nucleus occurs, and…

Half Life

The concept of Half Life has numerous practical applications some of them includes figuring out the effective drug dosage to finding out when a radioactive becomes safe to use. If you look for a career in Nuclear Physics you will need this concept.