NEET Physics Nuclei Questions Solved


A sample of radioactive elements contains 4 x 1010 active nuclei. If half-life of element is 10 days, then the number of decayed nuclei after 30 days is (a) 05 x 1010 (b) 2 x 1010 (c) 3.5 x 1010 (d) 1 x 1010 [2002]

Difficulty Level:

  • 40%
  • 17%
  • 35%
  • 10%
Crack NEET with Online Course - Free Trial (Offer Valid Till August 26, 2019)