Nuclei questions
336 published questions with worked solutions.
- The minimum frequency of photon required to break a particle of mass 15.348 amu into 4 particles is _____ kHz. [mass of He...
- The average energy released per fission for the nucleus of _ 92 ^ 235 U is 190 , MeV . When all the atoms of 47 , g pure _ 92 ^...
- Given below are two statements: Statement I: For all elements, greater the mass of the nucleus, greater is the binding energy per...
- The binding energy for the following nuclear reactions are expressed in MeV. _2He^3+_0n^1 _2He^4+20 MeV _2He^4+_0n^1 _2He^5-0.9...
- An atom ^8_3X is bombarded by shower of fundamental particles and in 10 s this atom absorbed 10 electrons, 10 protons and 9...
- A nucleus has mass number and radius R_ . Another nucleus has mass number and radius R_ . If = 8 then R_ /R_ is :
- Assertion (A) : The binding energy per nucleon is found to be practically independent of the atomic number A, for nuclei with...
- A radioactive nucleus n_2 has 3 times the decay constant as compared to the decay constant of another radioactive nucleus n_1. If...
- Choose the correct nuclear process from the below options [p: proton, n: neutron, e^-: electron, e^+: positron, : neutrino, :...
- Energy released when two deuterons (_1H^2) fuse to form a helium nucleus (_2He^4) is (Given: Binding energy per nucleon of _1H^2...
- For a nucleus of mass number A and radius R, the mass density of nucleus can be represented as
- Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A) : The...
- A radioactive nucleus A with a half life T, decays into a nucleus B. At t = 0, there is no nucleus B. At sometime t, the ratio of...
- At some instant, a radioactive sample S_1 having an activity 5 µCi has twice the number of nuclei as another sample S_2 which has...
- The ratio of mass densities of nuclei of ^ 40 Ca and ^ 16 O is close to:
- Two radioactive substances A and B have decay constants 5λ and λ respectively. At t = 0, a sample has the same number of the two...
- A solution containing active cobalt ^ 60 _ 27 Co having activity of 0.8 µCi and decay constant is injected in an animal's body....
- Two radioactive materials A and B have decay constants 10λ and λ, respectively. If initially they have the same number of nuclei,...
- A sample of radioactive material A, that has an activity of 10 mCi (1 Ci = 3.7 10^ 10 decays/s), has twice the number of nuclei...
- In a radioactive decay chain, the initial nucleus is ^ 232 _ 90 Th. At the end there are 6 α-particles and 4 β-particles which...
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