Nuclei questions
336 published questions with worked solutions.
- How many alpha and beta particles are emitted when Uranium _ 92 U^ 238 decays to lead _ 82 Pb^ 206 ?
- Nucleus A having Z = 17 and equal number of protons and neutrons has 1.2 MeV binding energy per nucleon. Another nucleus B of Z =...
- The activity of a freshly prepared radioactive sample is 10^ 10 disintegrations per second, whose mean life is 10^9 s. The mass...
- A freshly prepared sample of a radioisotope of half-life 1386 s has activity 10^3 disintegrations per second. Given that ln 2 =...
- Match List I of the nuclear processes with List II containing parent nucleus and one of the end products of each process and then...
- A nuclear power plant supplying electrical power to a village uses a radioactive material of half life T years as the fuel. The...
- For a radioactive material, its activity A and rate of change of its activity R are defined as A=- dN dt and R=- dA dt , where...
- A fission reaction is given by ^ 236 _ 92 U ^ 140 _ 54 Xe + ^ 94 _ 38 Sr +x+y, where x and y are two particles. Considering ^ 236...
- The electrostatic energy of Z protons uniformly distributed throughout a spherical nucleus of radius R is given by E= 3 5...
- An accident in a nuclear laboratory resulted in deposition of a certain amount of radioactive material of half-life 18 days...
- In a radioactive decay chain, ^ 232 _ 90 Th nucleus decays to ^ 212 _ 82 Pb nucleus. Let N_ and N_ be the number of and ^-...
- Radioactivity is measured by
- Basic scientific principle behind a nuclear reactor is
- Nuclear energy is generated by
- A heavy nucleus Q of half-life 20 minutes undergoes alpha-decay with probability of 60% and beta-decay with probability of 40%....
- A heavy nucleus N, at rest, undergoes fission N P + Q, where P and Q are two lighter nuclei. Let = M_N - M_P - M_Q, where M_P,...
- The minimum kinetic energy needed by an alpha particle to cause the nuclear reaction ^ 16 _ 7 N + ^ 4 _ 2 He ^ 1 _ 1 H + ^ 19 _ 8...
- The binding energy of nucleons in a nucleus can be affected by the pairwise Coulomb repulsion. Assume that all nucleons are...
- In a radioactive decay chain reaction, ^ 230 _ 90 Th nucleus decays into ^ 214 _ 84 Po nucleus. The ratio of the number of to...
- In a radioactive decay process, the activity is defined as A = - dN dt , where N(t) is the number of radioactive nuclei at time...
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