please I need help with that question ..... ## The activity (or decay rate) A of a certain unknown radioactive sample was measured over a period of 7 days using a Geigercounter and the following data was obtained:t(days) A (decays per minute)234119215712941068771759a) [2] Draw a graph of activity A versus time t.b) [2] Using the graph, estimate the half-life of the sample. Please explain your reasoning.c) [2] Hence, predict the activity of the sample after 15 days.2.

The activity (or decay rate) A of a certain unknown radioactive sample was measured over a period of 7 days using a Geiger counter and the following data was obtained: t (days) A (decays per minute) 234 1 192 2 157 129 4 106 87 71 7 59 a) [2] Draw a graph of activity A versus time t. b) [2] Using the graph, estimate the half-life of the sample. Please explain your reasoning. c) [21 Hence predict the activity of the sample after 15 days

The activity (or decay rate) A of a certain unknown radioactive sample was measured over a period of 7 days using a Geiger counter and the following data was obtained: t (days) A (decays per minute) 234 1 192 2 157 129 4 106 87 71 7 59 a) [2] Draw a graph of activity A versus time t. b) [2] Using the graph, estimate the half-life of the sample. Please explain your reasoning. c) [21 Hence predict the activity of the sample after 15 days

Modern Physics

3rd Edition

ISBN:9781111794378

Author:Raymond A. Serway, Clement J. Moses, Curt A. Moyer

Publisher:Raymond A. Serway, Clement J. Moses, Curt A. Moyer

Chapter13: Nuclear Structure

Section: Chapter Questions

Problem 11Q

See similar textbooks

Similar questions

In the following eight problems, write the complete decay equation for the given nuclide in the complete XZAN notation. Refer to the periodic table for values of Z. decay of 226Ra, another isotope in the decay series of 238U, FIrst recognized as a new element by the Curies. Poses special problems because its daughter is a radioactive noble gas. In the following four problems, identity the parent nuclide and write the complete decay equation in the XZAN notation. Refer to the periodic table for values of Z.
is the heaviest stable nuclide, and its BEN is low compared with medium-mass nuclides. Calculate BEN for this nucleus and compare it with the approximate value obtained from the graph in Figure 10.7. fission of nuclei with mass numbers greater than that of Fe. are othermic processes.
(a) Calculate the energy released in the a decay of 238U . (b) What fraction of the mass of a single 238U is destroyed in the decay? The mass of 234Th is 234.043593 u. (c) Although the fractional mass loss is large for a single nucleus, it is difficult to observe for an entire macroscopic sample of uranium. Why is this?
Suppose you have a pure radioactive material with a half-life of T1/2. You begin with N0 undecayed nuclei of the material at t = 0. At t=12T1/2, how many of the nuclei have decayed? (a) 14N0 (b) 12N0(C) 34N0 (d) 0.707N0 (e) 0.293N0
Which of the following is the correct daughter nucleus associated with the beta decay of 72184Hf? (a) 72183Hf (b) 73183Ta (c) 73184Ta
In the following eight problems, write the complete decay equation for the given nuclide in the complete XZAN notation. Refer to the periodic table for values of Z. + decay of 52Fe.
In the following eight problems, write the complete decay equation for the given nuclide in the complete XZAN notation. Refer to the periodic table for values of Z. decay of 40K, a naturally occurring rare isotope of potassium responsible for some of our exposure to background radiation.