The intensity of gamma radiation from a given source is I. On passi...

Channel:
PW Solutions
Subscribers:
445,000
Published on ● Video Link: https://www.youtube.com/watch?v=KhgEi6EOkRo


Duration: 5:13
14 views
0

The intensity of gamma radiation from a given source is I. On passing through \( 36 \mathrm{~mm} \) of lead, it is reduced to \( 1 / 8 \). The thickness of lead, which will reduce the intensity to \( 1 / 2 \) will be :
(A) \( 6 \mathrm{~mm} \)
(B) \( 9 \mathrm{~mm} \)
(C) \( 18 \mathrm{~mm} \)
(D) \( 12 \mathrm{~mm} \)
📲PW App Link - https://bit.ly/YTAI_PWAP
🌐PW Website - https://www.pw.live



Other Videos By PW Solutions


2023-02-14If \( \theta \) is acute angle between tangents to the hyperbola \(...
2023-02-14In the above question, suppose that the smaller ball does not stop after collision, but continue...
2023-02-14Let \( L \) be a common tangent line to the curves \( 4 x^{2}+9 y^{...
2023-02-14A vessel is partitioned in two equal halves by a fixed diathermic s...
2023-02-14Three blocks are initially placed as shown in the figure. Block \( A \) has mass \( m \) and ini...
2023-02-14Three blocks are placed on smooth horizontal surface and lie on same horizontal straight line. B...
2023-02-14Mean free path of a gas molecule is [Kerala PET 2010] (a) Inversely...
2023-02-14Juxtaglomerular cells secrete (a) ANF (b) erythropoietin (c) renin ...
2023-02-14The mean free path of molecules of a gas, (radius \( r \) ) is inve...
2023-02-14A source emits sound waves of frequency \( 1000 \mathrm{~Hz} \). The source moves to the right w...
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 \( \...


Tags:
pw