When the author attended high school some 60 years ago, his teacher showed a piece of uranium ore and measured its radioactivity with a Geiger counter. Would that reading for the same piece of ore be different today?

Q: What are the safeguards to prevent a reactor exploding like a fission bomb?

A: Moderators and control rods are safeguards used to avoid the excessive fission reactions in nuclear…

Q: Find the energy released in the fusion reaction

A: We have to find the energy released in the given fusion reaction.

Q: Although coal contains only minute quantities of radioactive materials, there is more radiation…

A: Coal power plants required more prevention of radioactive rays, instead of nuclear power plant. Most…

Q: Which of the following is a form of natural radioactivity that would be deflected by a magnetic…

A: Anything that contains charge will experience magnetic force when it passes magnetic field. X rays…

Q: what is the difference between radioactivity and decay?

A: The difference between Radioactivity and Decay is as follows -  Radioactivity - Radioactivity means…

Q: Why is food irradiated with gamma rays from a Cobalt-60 source? Does the food become radioactive?…

A: There are mainly there ionizing radiation are used in food irradiation; X-ray, electron beams and…

Q: What is an alpha particle the same as?

A:

Q: Is this statement true? "An electron takes various pathways from a beta-decaying nucleus to a…

A: The Geiger counter detects alpha and beta particles and gamma radiations.

Q: A Geiger counter registers a count rate of 8,000 counts per minute from a sample of a radioisotope.…

A: A Geiger counter registers a count rate of N0 = 8000 per minute. After time t = 10 minutes, the…

Q: How is a strong nuclear force is transmitted between a proton and neutron?

A: Nuclear force: Nuclear force is one of the fundamental interaction. It is the strongest of all.…

Q: A Geiger counter registers a count rate of 7,200 counts per minute from a sample of a radioisotope.…

A: Given: A Geiger counter registers a count rate of 7,200 counts per minute from a sample of a…

Q: How are beta emissions and electron capture useful in making atoms more stable?

A: In nuclear decay reactions (or radioactive decay), the parent nucleus is transformed into a more…

Q: A Geiger counter registers a count rate of 4,800 counts per minute from a sample of a radioisotope.…

A: Given data:  Initial count rate (N0) = 4,800 counts per minute Time (t) = 10 minutes Remaining count…

Q: Why does radioactivity take place?

A: Radioactivity is the process of emitting radiation.

Q: After two half-lives of radioactivity amount of radioactive atoms remaining is none O N/2 N/4 O N/8

A: Given data: Number of half-lives (n) = 2 Required: Remaining amount after 2 half-lives

Q: are radioactivity and radioactive decay the same concepts?

A: Radioactivity is the process by which an unstable  atomic nucleus loses energy by emitting…

Q: How is Nuclear fission reaction different from Nuclear fusion?

A: Nuclear fission is splitting of the single nucleus into more than one nucleus.   Nuclear fusion is…

Q: What makes nuclear radiation so useful?

A: Nuclear radiation is energy that is released by elementary particles of the atomic nucleus caused by…

Q: Why will nuclear fission probably not be used directly for powering automobiles? How could it be…

A:

Q: Radioactivity is a natural process. O True O False

A: Radioactivity is a natural process . True  or  False

Q: What is nuclear force?

A: Nuclear force is one of the four fundamental forces of nature.

Q: Which describes radioactive decay of a substance?

A: Which describes radioactive decay of a substance.

Q: Two common units for measuring radioactivity are the Becquerel and the curie. Why are these names…

A: Radioactivity is the phenomenon when a large nucleus splits into a small nucleus.

Q: Discuss the relevance of nuclear reactions to our lives.

A: Nuclear reactions are very much relevant to our daily lives. Nuclear energy has important use in…

Q: Does food irradiation leave the food radioactive? To what extent is the food altered chemically for…

A: The process of exposing the food into a controlled amount of energy in the form of high speed…

Q: How could an element emit alpha and beta particles and result in the same element?

A: Given:  emission of alpha and beta particle

Q: Why doesn’t uranium ore spontaneously undergo a chain reaction?

A: Given: Uranium chain reaction

Q: Suppose that you are given a 200 gram sample of a radioactive substance with a half-life of 45 days.…

A:

Q: Why is lead found in all deposits of uranium ore?

A:

Q: A passenger on an airplane flying across the Atlantic receives an extra radiation dose of about 5μSv…

A: The average yearly radiation dose of a person is 3mSv. It is due to due to the natural background…

Q: A Geiger counter reading of a radioactive sample is initially 6520 counts per minute. The same…

A:

Q: Which type of radiation ; alpha, beta, and gamma produces the least change in mass number and In…

A: Given: Alpha,beta, gamma

Q: A Geiger counter reading of a radioactive sample is initially 7420 counts per minute. The same…

A:

Q: Find the energy released in the fusion reaction

A:

Q: A Geiger counter registers a count rate of 5,600 counts per minute from a sample of a radioisotope.…

A: “Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: Suppose that you want to find out how much gasoline is in an underground storage tank. You pour in 1…

A: Assume x gallons of gasoline is in the tank. Total volume after adding 1 gallon with count rate of…

Q: Explain the contribution of Marie Curie in nuclear radioactivity.

A: Marie curie discovered two new element radium and polonium with their radioactive property she was…

Q: Let us say you are standing 25 meters from a radioactive source and are exposed to 120mrem/hr of…

A: I1=120 mrem/hd1=25 mx=4 in=10.16 cm=0.1016 md2=40-x=39.8984 m Calculate the intensity of radiation…

Q: A Geiger  counter registers a count rate of 8000 counts per minute from a sample of a radioisotope.…

A: count rate at t=0 is Ao =8000 counts/min count rate at t=24 is A=1000 counts /min

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.