alleryStart learning →One becquerel of activity means exactly one decay in every:
AMoment
BDecade
CSecond
DMinute
Answer & Solution
Correct answer: C. Second
1. Activity counts decays against time.
2. The SI unit uses the SI unit of time.
3. So one becquerel is one decay per second.
_Source: syllabus Physics Part II, Class XII, Chapter 13, Nuclei._
Related questions
The Sun is about 5 × 10⁹ years old. Its hydrogen should last about how much longer?What is the main challenge in controlled thermonuclear fusion?Controlled fusion reactors aim to heat fuel to about what temperature?What will the Sun become after its core hydrogen is exhausted?At about 10⁸ K, a star's core fuses helium nuclei into what?How much energy is released when four hydrogen atoms fuse into helium?The net result of the Sun's proton-proton cycle is four hydrogen forming what?Fusion driven by raising the temperature is called what?