NEET Physics Nuclei Questions Solved


The ratio of radii of nuclei Al1327 and X52A is 3 : 5. The number of neutrons in the nuclei of X will be
(a) 52              (b) 73
(c) 125             (d) 13

(b) r A1/3r1r2=A1A21/3

35=27A1/327125=27AA=125

Number of nuclei in atom X = A-52 = 125-52 = 73

Difficulty Level:

  • 6%
  • 56%
  • 37%
  • 3%
Crack NEET with Online Course - Free Trial (Offer Valid Till August 27, 2019)