Question

Half-life of a radioactive element is 5 min. At the end of 20 min. its .......... % quantity will remain undisintegrated.choose the correct option from the given options.
(A) 93.73
(B) 75
(C) 25
(D) 6.25

Answer 1

Half-existence of a radioactive component is 5 min.

Toward the finish of 20 min.

its 6.25%.

Be that as it may, with the assistance of half-life it winds up conceivable to ascertain the time taken by half of the cores of radioactive substance to rot.

There might be a few meanings of half-life, however they essentially suggest a similar thing.

Answer 2

Holla ^_^


☸ Required Answer is ⬇ ⬇⬇ ⬇

☯ D) 6.25


Vielen Dank ♥