Question

Part A

1.How does a Geiger-Muller counter detect radioactivity?

Match the words in the left column to the appropriate blanks in the sentences on the right. Make certain each sentence is complete before submitting your answer.

Help Reset passing through conduct electricity counting detecting instant argon gas liquid electrodes collide with neon gas ionize The Geiger-Muller counter is an------method of -----radioactivity that is based on the radioactive particle---- a chamber of----. The radioactive particles-----part of the-----, which can then----across ----- within the chamber. 2. A patient is given 0.050 mg of technetium-99 m(where m means metastable - an unstable but longlived state), a radioactive isotope with a half-life of about 6.0 hours. How long until the radioactive isotope decays to 7.8×10−4 mg ? Express your answer using two significant figures. 3.How does a Geiger-Muller counter detect radioactivity? Match the words in the left column to the appropriate blanks in the sentences on the right. Make certain each sentence is complete before submitting your answer. It provides ten times more energy per gram of fuel than fission reactions. Ease of construction of the reactor. This is a cheap and widespread type of fuel. The products of the reaction are not radioactive. SubmitMy AnswersGive Up Incorrect; Try Again; 5 attempts remaining Part C What are the problems with fusion? Due to the extreme temperatures needed to initiate fusion reactions, there is no known material that can withstand the temperature. The products of the reaction are radioactive. The result of reaction is a black hole. Due to the extreme pressures needed to initiate fusion reactions, there is no known material that can withstand the pressure. PLEASE ANSWER EVERY QUESTION AS POSSIBLE.. ALL YOUR HELP IS GREATLY APPREACIATED! THANK YOU SO MUCH!

Answer 1

Part C) Due to the extreme temperatures needed to initiate fusion reactions, there is no known material that can withstand the temperature.

3) The counter consists of a tube filled with an inert gas that becomes conductive of electricity when it is impacted by a high-energy particle. When radiation (dark blue) collides with gas molecules in the tube (orange), it causes ionization: some of the gas molecules are turned into positive ions (red) and electrons (yellow).

The electrons make a meter needle deflect and, if a loudspeaker is connected, you can hear a loud click every time particles are detected. The number of clicks you hear gives a rough indication of how much radiation is present (the meter gives you a much more accurate idea).