UPSC Combined Geo-Scientist, Mains · 2021 · Mains Paper I
Q10(a). Thermal-neutron fission of uranium-235
Question
What are the common possible nuclear fission reactions in case of ²³⁵₉₂U when a slow neutron enters the uranium nucleus?
Model answer
The free solution for 2021 answers questions 1, 2, 5, 6, 9 and 11, the ones picked in its time plan. Question 10 is answered in full in the Geo-Scientist Chemistry Paper I, 2021 to 2025 book, with every part of every paper.
Part of VKC Basic
Read the key points and the full model answer with VKC Basic
VKC Basic (₹999 for 6 months) opens every solved answer, the notes, the handbook and the daily answer archive. Every Mains test series includes it.
Printed copy and Kindle
UPSC Combined Geo-Scientist (Main) Chemistry Paper I: Model Answers 2021 to 2025
- All eleven questions of each paper, with the question printed above its answer
- Titration, gravimetric and nuclear numericals worked with units; structures drawn
- Topic-wise weightage and a topic-wise index
Coversnuclear fissionuranium-235thermal neutronfission productschain reaction
All parts of Question 10
- 10(a) Thermal-neutron fission of uranium-2355 marks
- 10(b) Displacement law and four radioactive series15 marks
- 10(c) Alpha decay10 marks