help please A Geiger counter registers a count rate of 5,600 counts per minute from a sample of a radioisotope. Sixteen minutes later, the count rate is 1,400 counts per minute. What isthe half-life of the radioisotope?minNeed Help?Read ItWatch ItAn accident in a laboratory results in a room being contaminated by a radioisotope with a half-life of 5 days. If the radiation is measured to be eight times the maximumpermissible level, how much time must elapse before the room is safe to enter?X daysNeed Help?Watch ItRead It

“Since you have asked multiple question, we will solve the first question for you. If you want any…

A Geiger counter registers a count rate of 5,600 counts per minute from a sample of a radioisotope. Sixteen minutes later, the count rate is 1,400 counts per minute. What is the half-life of the radioisotope?

A Geiger counter registers a count rate of 5,600 counts per minute from a sample of a radioisotope. Sixteen minutes later, the count rate is 1,400 counts per minute. What is the half-life of the radioisotope?

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter30: Nuclear Physics

Section: Chapter Questions

Problem 66A

See similar textbooks

Related questions

Q: Are some types of cancer more sensitive to radiation than others? If so, what makes them more…

Q: The half life of an unknown substance is 1 week. How much of its nuclei were disintegrated after 10…

Q: 5. Co-60 has a half life of 5.3 years. If a pellet that has been in storage for 26.5 years contains…

A: When the radioactive atoms get decay they decay at the same rate. The pattern of half-life is the…

Q: How many Gy of exposure is needed to give a canceroustumor a dose of 40 Sv if it is exposed to α…

Q: A Geiger counter registers a count rate of 8,000 counts per minute from a sample of a radioisotope.…

A: Activity A=A0e-0.693tT12AA0=e-0.693tT12lnAA0=-0.693tT12T12=-0.693tlnAA0 =-0.69324 minln1000…

Q: How many half-lives will completely deplete a radioisotope?

A: Half-life of a radioactive material is the time it takes for half of the radioactive atoms to decay.…

Q: A radioactive sample has a mass of 999 grams. How much remains after 2 half-lives?

A: If the amount of a radioactive sample is N0 initially, then after 1st half live of the sample, it…

Q: A Geiger counter registers a count rate of 8,000 counts per minute from a sample of a radioisotope.…

A: A Geiger counter registers a count rate of N0 = 8000 per minute. After time t = 10 minutes, the…

Q: A sample containing 1 gram of Radium-224 was stored in laboratory 100 years ago. Now the sample…

A: Given data: The mass of Radium-224 at 100 years ago is m0=1 g. The mass of Radium-224 at now is…

Q: A Geiger counter registers a count rate of 7,200 counts per minute from a sample of a radioisotope.…

A: Given: A Geiger counter registers a count rate of 7,200 counts per minute from a sample of a…

Q: A Geiger counter registers a count rate of 4,800 counts per minute from a sample of a radioisotope.…

A: Given data: Initial count rate (N0) = 4,800 counts per minute Time (t) = 10 minutes Remaining count…

Q: After two half-lives of radioactivity amount of radioactive atoms remaining is none O N/2 N/4 O N/8

A: Given data: Number of half-lives (n) = 2 Required: Remaining amount after 2 half-lives

Q: While exploring a coal mine, scientists found plant fossils which had been preserved by an…

Q: Certain radioactive substances has a half-life of 20 min. If there is 56 lbs of it right now, how…

Q: A radioactive substance is found to register 5000 counts per second on a Geiger counter.…

Q: A Geiger counter registerss a count rate of 6,800 counts per minute from a sample of a radioisotope.…

Q: Binding energy per nucleon for an element is 7.14 MeV. If the binding energy of the element is 28.6…

Q: To date the age of the oldest materi als, scientists would normally tum to the radioactivity of a.…

Q: If carbon-14 underwent beta decay, what is the resulting nucleus?

A: Beta decay: A element which undergoes beta decay then the neutron of the atom gets converted to…

Q: what is the uses of radioactivity in x-rays

A: X-ray is an energetic wave. It is the most penetrating wave. Its wavelength ranges from 10…

Q: The half-life of l-137 is 8.07 days. If 25 grams are left after 40.35 days, how many grams were in…

A: The formula of the radioactivity is where, N is the amount left, No is the initial amount, t is…

Q: What is the half-life of a radioactive isotope if the activity of a sample drops from 14,080 cpm to…

Q: What is rate of decay after 2.5 seconds?

Q: How many half lives must pass for the mass of a radioactive sample to decrease to 35% of the…

A: Half life of a radioactive sample is the time required for the sample to reduce to half of its…

Q: Geiger counter reading of a radioactive sample is initially 7220 counts per minute. The same sample…

A: Given: The initial amount is 7220 counts per minute. The final count is 422 counts per minute. The…

Q: technetium half life is 4.8 hours. If a patient receicves a dose with an activity of 35.9 mCi of…

A: Half life of technetium (t1/2) = 4.8 hours Initial activity (Ao) = 35.9 mCi

Q: A Geiger Counter reading Of a radio acHve sample Is initally Ceses 6920 COunts per minute. The same…

Q: number of alpha-decays of Q in the first one hour is;

A: Given: Determine number of alpha decays of Q in the first one hour ?Where, A heavy nucleous Q of…

Q: What happens when gamma radiations are passed through a magnetic field?

A: Gamma particles will not get affected by the electric field, because, it is charge-less particles.

Q: what is the specific difference between radioactivity and radioactive decay?

Q: What are the types of Radioactivity?

A: There are three types of radioactivity and they are: Alpha decay: An alpha particle is a helium…

Q: Which of the following would be used to perform a survey of an area in which a small amount of…

A: There are different types of detectors, their use is mainly dependent upon range and sensitivity.…

Q: Given that radioactive cobalt-60 has a radioactive constant equal to 3.8 x 10° s determine its…

A: Given information: Here, λ is the radioactive constant or decay constant.

Q: The radioactive glucose used in PET scans has a half-life of approximately 2 hours. How much of the…

A: Half life (t) of radioactive glucose= 2 hours Time period (T) = 8 hours Let the original amount of…

Q: How many radioactive nuclides are in a sample with a radioactivity of 3.1 kCi? The half-life of the…

Q: What characteristics of radioactivity show it to be nuclear in origin and not atomic?

A: Radioactivity is a type of process in which there is an emission of the particle from unstable…

Q: 18) What is the remaining amount of radioactivity when the Starting amount is 15.5-g and there was…

A: Initial mass of the radioactive element m0=15.5 g No. of half lives n=4.35

Q: A sample of 1.0 × 1010 atoms that decay by alpha emission has a half-life of 100 min. How many alpha…

A: According to the law of radioactive disintegration, Nt=N012tt12 Find the number of emitted alpha…

Q: A dose of 8.60 mCi of a radioactive isotope is injected into a patient. The isotope has a half-life…

Q: If 1.99 half-lives have occurred, what amount of radio-active material would be left if you began…

Q: A Geiger counter registers a count rate of 8000 counts per minute from a sample of a radioisotope.…

A: count rate at t=0 is Ao =8000 counts/min count rate at t=24 is A=1000 counts /min

Question

help please

A Geiger counter registers a count rate of 5,600 counts per minute from a sample of a radioisotope. Sixteen minutes later, the count rate is 1,400 counts per minute. What is
the half-life of the radioisotope?
min
Need Help?
Read It
Watch It
An accident in a laboratory results in a room being contaminated by a radioisotope with a half-life of 5 days. If the radiation is measured to be eight times the maximum
permissible level, how much time must elapse before the room is safe to enter?
X days
Need Help?
Watch It
Read It

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Given Data

VIEW

Solution

VIEW

Result

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 3 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.

Similar questions

If a 1.50cmthick piece of lead can absorb 90.0% of the rays from a radioactive source, how many centimeters of lead are needed to absorb all but 0.100% of the rays?
What is the dose in Sv in a cancer treatment that exposes the patient to 200 Gy of rays?
What time interval elapses while 90.0% of the radioactivity of a sample of 3372As disappears as measured by its activity? The half-life of 3372As is 26 h.
What is the dose in mSv for: (a) a 0.1-Gy X-ray? (b) 2.5 mGy of neutron exposure to the eye? (c) 1.5m Gy of a exposure?
A beam of 168MeV nitrogen nuclei is used for cancer therapy. If this beam is directed onto a 0.200kg tumor and gives it a 2.00Sv dose, how many nitrogen nuclei were stopped? (Use an RBE of 20 for heavy ions.)
How many Gy of exposure is needed to give a cancerous tumor a dose of 40 Sv if it is exposed to acfivity?
If everyone in Australia received an extra 0.05 mSv per year of radiation, what would be the increase in the number of cancer deaths per year? (Assume that time had elapsed for the effects to become apparent.) Assume that there are 200104 deaths per Sv of radiation per year. What percent at the actual number of cancer deaths recorded is this?
Does the number of radioactive nuclei in a sample decrease to exactly half its original value in one halflife? Explain in terms of the statistical nature of radioactive decay.
Calculate the dose in Sv to the chest at a patient given an xray under the following conditions. The xray beam intensity is 1.50 W/m2, the area of the chest exposed is 0.0750 m2 35.0% of the xrays are absorbed in 20.0 kg of tissue, and the exposure time is 0.250 s.
How many Gy of exposure is needed to give a cancerous tumor a dose of 40 Sv if it is exposed to a activity?
A plumber at a nuclear power plant receives a whole—body dose of 30 mSv in 15 minutes while repairing a crucial valve. Find the radiation—induced yearly risk of death from cancer and the chance of genetic defect from this maximum allowable exposure.
Suppose one load irradiation plant uses a 137Cs source while another uses an equal activity of 60Co. Assuming equal fractions of the (rays from the sources are absorbed, why is more time needed to get the same dose using me 137Cs source?