IIT JEE Questions And Answers :: Nuclear Chemistry: part3



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

    Health is the greatest gift, contentment is the greatest wealth -Buddha
Innovation distinguishes between a leader and a follower.-Steve Jobs