Prostuti360°Prostuti360°
Log in

WBCS Main Examination 2023 — Paper IV: General Studies II · Question 167 of 200

Q167
General SciencePhysics
The Principle of Controlled Chain Reaction is used in
  1. a.atom bomb.
  2. b.atomic energy reactor.
  3. c.the core of sun.
  4. d.artificial radioactivity.

Answer: (B) atomic energy reactor.

A nuclear reactor uses control rods and moderators to keep the fission chain reaction steady, which is a controlled chain reaction. An atom bomb uses an uncontrolled chain reaction, and the Sun's core runs on fusion.

Q166 Whole paperQ168