What is the disintegration constant of radon, if the number of its atoms diminishes by \( 18 \% ...

Channel:
PW Solutions
Subscribers:
443,000
Published on ● Video Link: https://www.youtube.com/watch?v=8oR0Ranrxgg


Duration: 2:29
15 views
1

What is the disintegration constant of radon, if the number of its atoms diminishes by \( 18 \% \) in \( 24 h \)
[BHU 2006]
(a) \( 2.1 \times 10^{-3} s^{-1} \)
(b) \( 2.1 \times 10^{-4} s^{-1} \)
(c) \( 2.1 \times 10^{-5} \mathrm{~s}^{-1} \)
(d) \( 2.1 \times 10^{-6} \mathrm{~s}^{-1} \)
📲PW App Link - https://bit.ly/YTAI_PWAP
🌐PW Website - https://www.pw.live



Other Videos By PW Solutions


2022-10-27Which one of the following statements is true [NCERT Exemplar] (a) A scalar quantity is the one ...
2022-10-27The angle made by the vector \( A=\hat{i}+\hat{j} \) with \( x \) - axis is [EAMCET (Engg.) 1999...
2022-10-27Any vector in an arbitrary direction can always be replaced by two (or three) (a) Parallel vecto...
2022-10-27A single slit of width \( 0.20 \mathrm{~mm} \) is illuminated with light of wavelength \( 500 \m...
2022-10-27Shown in the figure here is a convergent lens placed inside a cell filled with a liquid. The len...
2022-10-27Among the following, the vector quantity is [Kerala PET 2012] (a) Pressure (b) Gravitation poten...
2022-10-27In a Young's double slit experiment the ratio of the slit's width \( 4: 1 \). The ratio of the i...
2022-10-27A diode is connected to \( 220 \mathrm{~V}(\mathrm{rms}) a c \) in series with a capacitor as sh...
2022-10-27Half-lives of two radioactive elements \( A \) and \( B \) are 20 minutes and 40 minutes, respec...
2022-10-27A convex lens is in contact with concave lens. The magnitude of the ratio of their focal length ...
2022-10-27What is the disintegration constant of radon, if the number of its atoms diminishes by \( 18 \% ...
2022-10-27The plot of the number \( (N) \) of decayed atoms versus activity \( (A) \) of a radioactive sub...
2022-10-27If in a \( p-n \) junction diode, a square input signal of \( 10 \mathrm{~V} \) is applied as sh...
2022-10-27The probability of electrons to be found in the conduction band of an intrinsic semiconductor at...
2022-10-27A mixture consists of two radioactive materials \( A_{1} \) and \( A_{2} \) with half lives of \...
2022-10-27The graph between number of decayed atoms \( N^{\prime} \) of a radioactive element and time \( ...
2022-10-27A sample contains \( 16 \mathrm{~g} \) of a radioactive material, the half life of which is two ...
2022-10-27During mean life of a radioactive element, the fraction that disintegrates is [J \& K CET 2010; ...
2022-10-27\( N \) atoms of a radioactive element emit \( n \) alpha particles per second. The half life of...
2022-10-27Half lives of two radioactive substances \( A \) and \( B \) are respectively 20 minutes and 40 ...
2022-10-27The magnetic force acting on a charge particle of charge \( -2 \mu c \) in a magnetic field of \...


Tags:
pw