Question

(1) A (2) B
(3) C
(4) D
Assertion :- A radioactive substance has half
life of 1 hour. Therefore, if two nuclei of the
substance are present initially, after 1 hour only
one will remain undissociated.
Reason :- When a nucleus makes a transition
from excited state of ground state, it emits a ß-
particle
(1) A
(2) B
(3) C
(4) D​

Answer 1

Answer:

May be options c HOPE IT'S HELP PLEASE MARK AS BRAINLIST ANSWER