JEE PHYSICS MCQ: NUCLEI

1 Medium

1 of 1

Application +4 | -1

Two radioactive substances

X

and

Y

initially contain equal number of nuclei.

X

has a half-life of 1 hour and

Y

has a half-life of 2 hours. After two hours, the ratio of the activity of

{X}

to the activity of

{Y}

is :-

View answer and explanation

Correct option: C

1: 1

Option C (

1: 1

) is correct because after two hours, the ratio of the activity of X to the activity of Y is 1:1, considering their respective half-lives.

More Questions from NUCLEI

Practice All Chapter MCQs →

\mathrm{7}

\mathrm{2}\,\,\mathrm{fermi}

\mathrm{189}

N{e^{22}}

\alpha -