The half life period of radio active element is 140 days. After 560 days 1gm of element will reduce to

The half life period of radio active element is 140 days. After 560 days 1gm of element will reduce to
A. 0.5
B. 0.25
C. `1//8`
D. `1//16`

Monjur Alahi

4 views

2025-01-04 04:42

1 Answers

Salim Ahmed Kawsar

Correct Answer - d
n/p is more for this `""_(50)Sn""^(119)`

4 views Answered 2023-02-05 15:29

Related Questions

Half-life of a radioactive substance A is `4 days`. The probability that a nuclear will decay in two half-lives is

1 Answers 4 Views

The half-life period of a radio-active element `X` is same as the mean life time of another radio-active element `Y`. Initially they have the same num

1 Answers 4 Views

`.^(90)Sr` decays to `.^(90)Y` by `beta` decay with a half-life of `28` years. `.^(90)Y` decays by `beta`-to `.^(90)Zr` with a half-life of `64h`. A p

1 Answers 4 Views

Half life period of `""_(53)I""^(125)` is 60 days. Percentage of radioactivity preent after 180 days is

2 Answers 4 Views

The half life period of a radioctive element is 140 days. Afte 560 days, one gram of the element will reduced to :

2 Answers 4 Views

The half life of a radio -isotope is four hour. If the initial mass of the isotope was 20g,the mass left after 24 hours undecayed is

2 Answers 4 Views

A radioactive isotope having a half life of 3 days was received after 12 days. It was found that there were 3 gm of the isotopes in the container. The

2 Answers 4 Views

Half-life of an element A is 25 days. After 25 days , three atoms of A become

2 Answers 4 Views

Choose the correct option . If `underset(n)(T)` and `underset(m)(T)` denotes the half-value period and the mean-value period , respectively of a radio

2 Answers 4 Views

`angleA + 1/2 angleB+ angleC=140^(@)`, then `angleB` is `angleA +1/2angleB + angleC=140^(@)`, हे, तब `angleB` हे।

2 Answers 4 Views

এক্সাম দিয়ে মেধা যাচাই করুন

Job Preparation (1125)

Admission (754)

এসএসসি (10)

এইচএসসি (5)