IIT JEE : Nuclear Chemistry QUESTIONS AND ANSWERS :: part3 : 11 to 15
Following IIT JEE Entrance Multiple choice objective type questions and answers will help you in Maths, Physics and Chemistry 2024 examinations :
11.In beta decay |
the daughter nucleus has one proton more than the parent nucleus |
the parent and the daughter nuclei have the same number of protons |
the daughter nucleus has one neutron more than the parent nucleus |
the daughter nucleus has one proton less than the parent nucleus. |
12.(4n + 1) radioactive disintegration series is also known as |
Thorium series |
Uranium series |
Actinium series |
Neptunium series. |
13.After one hour, 1/8 of the initial mass of a certain radioactive substance remains undecayed. The half-life of the isotope is |
30 minutes |
45 minutes |
20 minutes |
15 minutes. |
14.As a result of a number of successive decay processes in a radioactive series the nucleon number decreases by 4 while the proton number is unchanged. The particles emitted are |
1 alpha and 1 beta-particle |
1 alpha and 2 beta-particles |
2 alpha and 1 beta-particle |
2 alpha and 2 beta-particles. |
15.Which of the following particles is considered to be responsible for keeping nucleons together? |
Protons |
Neutrons |
Positrons |
Mesons. |
More Nuclear Chemistry QUESTIONS AND ANSWERS available in next pages
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