Use direct formula
25) In a Geiger -Marsden experiment, what is the distance of closest approach d to the nucleus of a 7.7 MeV???particle before it comes momentarily to rest and reverses its direction?
Answer is:
30 fm
Explanation:
Related Atoms and Nuclei MCQ with Answers
Answer is:
is the frequency range over which an equipment operates or the portion of the spectrum occupied by the signal
Explanation:
Bandwidth of an electronic communication system is the frequency range over which an equipment operates or the portion of the spectrum occupied by the signal
Answer is:
density
Explanation:
As the mass number A increases, density of a nucleus does not change
Answer is:
zero,?7.5?10?8Cm
Explanation:
use direct formula
Answer is:
pentavalent
Explanation:
To produce N ? type crystal Ge or Si may be doped with a substance that is pentavalent