N 1,000,000 250,000 8 days FIGURE Q30.7

Q: Two radioactive samples, X, Y have the same number of atoms at t = 0. Their half lives are 3h and 4h…

A: The formula of the radioactivity is  R = Ro e-0.693 tT where, Ro is the initial activity, t is the…

Q: If 100 grams of a radioactive substance is left to decay, how much would be left after 5 half-lives?…

A:

Q: If a radioactive isotope of thorium (atomic number 90, mass number 232) emits 4 alpha particles and…

A: When any radioactive elements emit alpha particle, it's atomic number reduces by 2 and mass number…

Q: The isotopes of U8 and U5 occur in nature in the ratio 140 : 1. Assuming that at the time of earth's…

A:

Q: Two nuclei have mass number in the ratio 1 : 3. What is the ratio of their nuclear densities?

A: Given that, Two nuclei have the mass number in the ratio 1 : 3. The nuclear densities of nuclei A is…

Q: You have an istope with a decay constant of 2.48x10-³s-¹. What is the half life of isotope?

A:

Q: DATING THE ICEMAN OTZI. On 19 September 1991, the Iceman dubbe "Ötzi" was discovered in the Italian…

A: The activity of iceman otzi was found 0.121 decays/second per gram of carbon. Using this…

Q: (a) The diagram shows the decay curve for a radioactive isotope that emits only B-particles. 400…

A: Hello. Since your question has multiple parts, we will solve the first part for you. If you want any…

Q: What does it mean to say that a specified physical property is conserved in all nuclear reactions ?…

A: The conservation of some property means the value of the property before the reaction is same after…

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.