Ninety percent of a radioactive sample is left over after a time in...

Channel:
PW Solutions
Subscribers:
453,000
Published on ● Video Link: https://www.youtube.com/watch?v=Lo4B-GzRan4


Duration: 4:02
2 views
0

Ninety percent of a radioactive sample is left over after a time interval t. The percentage of initial sample that will disintegrate in an interval \( 2 t \) is
(A) \( 38 \% \)
(B) \( 19 \% \)
(C) \( 9 \% \)
(D) \( 62 \% \)
📲PW App Link - https://bit.ly/YTAI_PWAP
🌐PW Website - https://www.pw.live



Other Videos By PW Solutions


2023-02-14A hockey player receives a corner shot at a speed of 15 \( \mathrm{m} / \mathrm{s} \) at angle \...
2023-02-14The intensity of gamma radiation from a given source is I. On passi...
2023-02-14The fraction of the original number of nuclei of a radioactive atom...
2023-02-14In the two vessels of same volume, atomic hydrogen and \( \mathrm{P...
2023-02-14Which of the following is responsible for the transport of water and minerals from roots to stem...
2023-02-14The ellipse \( E_{1}: \frac{x^{2}}{9}+\frac{y^{2}}{4}=1 \) is inscr...
2023-02-14If the curve \( x^{2}+2 y^{2}=2 \) intersects the line \( x+y=1 \) ...
2023-02-14Which of the following given features are appropriate for oestrogen...
2023-02-14Let \( P=\sin 25^{\circ} \sin 35^{\circ} \sin 60^{\circ} \sin 85^{\circ} \) and \( Q=\sin 20^{\c...
2023-02-14Which of the following given features are appropriate for progester...
2023-02-14Ninety percent of a radioactive sample is left over after a time in...
2023-02-14The two main types of cells in the islets of Langerhans called \( \...
2023-02-14The kinetic energy, due to translational motion, of most of the mol...
2023-02-14Gas at a pressure \( P_{0} \) in contained in a vessel. If the mass...
2023-02-14Let \( A \) and \( B \) the two gases and given : \( \frac{T_{A}}{M...
2023-02-14The root mean square speed of hydrogen molecules at \( 300 \mathrm{...
2023-02-14If the point of intersections of the ellipse \( \frac{x^{2}}{16}+\f...
2023-02-14Let \( E \) denote the parabola \( y^{2}=8 x \). Let \( P=(-2,4) \)...
2023-02-14At constant volume, temperature is increased. Then [CBSE PMT 1993; ...
2023-02-14At time \( \mathrm{t}=0 \), some radioactive gas is injected into a...
2023-02-14Short distance transport of substances like nutrients, water, etc., in plants occurs through (a)...


Tags:
pw