Live Quiz Arena
🎁 1 Free Round Daily
⚡ Enter ArenaQuestion
← ScienceWhich consequence results when metastable barium-137m undergoes isomeric transition?
A)Emission of a gamma photon✓
B)Conversion to barium–137 cation
C)Emission of an alpha particle
D)Spontaneous fission into lighter nuclides
💡 Explanation
Emission of a gamma photon occurs through isomeric transition. This electromagnetic decay occurs because the nucleus releases energy, reaching a lower energy state via photon emission rather than particle emission or fission, therefore retaining the barium-137 identity.
🏆 Up to £1,000 monthly prize pool
Ready for the live challenge? Join the next global round now.
*Terms apply. Skill-based competition.
Related Questions
Browse Science →- Which rate-altering mechanism dominates when a solid catalyst surface area in a liquid reaction increases?
- Which outcome occurs when a protein misfolds during molecular assembly inside a chaperone protein complex?
- Which outcome results when neutron moderation fails in a reactor?
- Which consequence results when assumptions violate Bernoulli's equation inside a centrifugal pump?
- Which outcome occurs when unbound arsenic atoms diffuse into a silicon lattice used in semiconductor fabrication?
- Which outcome occurs when stray electromagnetic fields couple with a high-speed data cable?
