The activity of a radioactive element decrease to one-third of the original activity \( \mathrm{...

Channel:
PW Solutions
Subscribers:
447,000
Published on ● Video Link: https://www.youtube.com/watch?v=OdKsx5bkEtg


Duration: 4:36
7 views
0

The activity of a radioactive element decrease to one-third of the original activity \( \mathrm{I}_{0} \)
\( \mathrm{P} \) in a period of nine years, After a further lapse of 18 years its activity will be :

W
ЁЯУ▓PW App Link - https://bit.ly/YTAI_PWAP
ЁЯМРPW Website - https://www.pw.live



Other Videos By PW Solutions


2022-12-01A radioacitve element has mass of 10 gm at an instant \( t=0 \). Calculate mass of the element \...
2022-12-01Doping of silicon with \( \mathrm{P} \) or \( \mathrm{Al} \) increasing the conductivity. The di...
2022-12-01The stability of \( +1 \) oxidation state increases in the sequence: (A) \( \mathrm{Ga}\mathrm{I...
2022-12-01A solid \( A B \) has \( \mathrm{NaCl} \) type structure. If the radius of the cation \( \mathrm...
2022-12-01Which of the following crystallises in bcc structure? (A) \( \mathrm{ZnS} \) (B) \( \mathrm{Na}_...
2022-12-01рдкреНрд░рдорд╛рдгрд┐рдд рдХреАрдЬрд┐рдП рдХрд┐ рдкреБрд╖реНрдк рдПрдХ рд░реВрдкрд╛рдиреНрддрд░рд┐рдд рдкреНрд░рд░реЛрд╣ рд╣реИред
2022-12-01The structure of \( \mathrm{Na}_{2} \mathrm{O} \) crystal is (A) \( \mathrm{CsCl} \) type (B) \(...
2022-12-01The empty space in hexagonal close packing pattern is (A) \( 48 \% \) (B) \( 52.4 \% \) (C) \( 2...
2022-12-01In a metal oxide, the oxide ions are arranged in hexagonal close packing and metal ions occupy t...
2022-12-01The radius of \( \mathrm{A}^{+} \)is \( 95 \mathrm{pm} \) and that of \( \mathrm{B} \) ion is \(...
2022-12-01The activity of a radioactive element decrease to one-third of the original activity \( \mathrm{...
2022-12-01\( { }_{84} \mathrm{Po}^{210} \) decays with \( \alpha \)-particle to \( { }_{82} \mathrm{~Pb}^{...
2022-12-01A binary solid ( \( A^{+} B^{-} \)) has zinc blende structure with \( B^{-} \)ions constituting ...
2022-12-01\( \mathrm{Ac}^{227} \) has a half life of 22 year. The decay follows two parallel paths, one le...
2022-12-01An isotope of Potassium \( { }_{19}^{40} \mathrm{~K} \) has a half life of \( 1.4 \times 10^{9} ...
2022-12-01At any given time a piece of radioactive material \( \left(\mathrm{t}_{1 / 2}=30\right. \) days)...
2022-12-01Thallium shows different oxidation states because: (A) of its high reactivity (B) of inert pair ...
2022-12-01Calculate the age of a vegetarian beverage whose tritium content is only \( 10 \% \) of the leve...
2022-12-01One of the hazards of nuclear explosion is the generation of \( \mathrm{Sr}^{90} \) and its subs...
2022-12-01At a given instant there are \( 25 \% \) undecayed radioactive nuclei in a sample. After 10 sec ...
2022-12-01In nuclear reactor which material is used for following purpose. P (a) In control rods (b) As mo...