- [Easy]Energy of nth level of hydrogen atom En equals?...
- [Easy]Half-life T1/2 in terms of λ equals?...
- [Hard]Photon frequency for transition n=3 to n=2 in H: ν =? (E_n = -13.6/n² eV; h = 4.14×10^{-15} eV·s)...
- [Hard]Bohr postulate: angular momentum quantized as?...
- [Easy]Isotopes are nuclei with same?...
- [Easy]Number remaining after time t: N =? (Initial N0, decay constant λ)...
- [Medium]Rutherford scattering showed nucleus is?...
- [Medium]Bohr radius a0 approximately equals?...
- [Medium]Nuclear radius R approximated by?...
- [Easy]Activity A of sample equals?...
- [Medium]Binding energy per nucleon highest around?...
- [Hard]Energy production mechanism: fusion of light nuclei and fission of heavy both release energy because?...
- [Medium]Mass defect corresponds to?...
- [Medium]Relative penetration power (highest)?...
- [Medium]In beta minus (β−) decay a neutron converts to?...