profile-img
Isha lohan Asked a Question
January 31, 2021 12:58 pmpts 30 pts
A radioactive sample emits n B-particles in 2 sec. In next 2 sec it emits 0.75n B- particles, then which of the following statements are true (In2 -0.693, In3 =1.0986) (a) Decay constant of the sample is 0.14sec (b) Decay constant of the sample is 0.28 sec (c) Mean life of the sample is 3.5 sec (d) Mean life of the sample is 7.0 sec
  • 2 Answer(s)
  • 0 Likes
  • 2 Comments
  • Shares
  • Devisharan thankyou
    Answer
    • cropped8233074474826414306.jpg
    • cropped6654191413042215211.jpg
    Likes(0) Reply(0)
  • Vaishnavi rajora thankyou
    correct option is d. see attached for solution.
    • cropped4537865918249664483.jpg
    • cropped482595354558360786.jpg
    Likes(0) Reply(1)
    Vaishnavi rajora
    it'll help you.