Nuclear Physics Basics

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Quiz on nuclei, decay and reactions

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Ola

Saudi Arabia

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1	jowan December 18, 2025	% 89	01:59
2	Ola December 18, 2025	% 89	04:16

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Nuclear Physics Basics


Nuclear Physics BasicsOnline version Quiz on nuclei, decay and reactions by Ola 1 What is mass defect in a nucleus? a Difference between proton and neutron masses b Total mass of the nucleus c Difference between the nucleus mass and the sum of its nucleons d Mass lost as energy during decay 2 What happens in beta decay? a The nucleus gains mass b A neutron becomes a proton or vice versa c The nucleus splits into two d A proton becomes a neutron or vice versa 3 What are gamma rays? a Electrons emitted during fission b Low-energy particles from decay c High-energy photons emitted from a nucleus d Charged particles ejected from the nucleus 4 What is an alpha particle? a A single proton b A single neutron c A deuteron d A helium-4 nucleus (2 protons, 2 neutrons) 5 What does half-life define? a The time for all material to decay b The time between decays of successive nuclides c The time for half of a radioactive sample to decay d The time for a nucleus to split 6 What is nuclear fission? a A large nucleus splits into two smaller ones with energy released b Protons convert into neutrons c Nucleus gains mass without splitting d Two nuclei fuse into a larger one 7 What is critical mass? a Maximum amount needed for stability b Mass at which fission becomes impossible c Mass where decay stops d Minimum amount of material to sustain a chain reaction 8 What happens in nuclear fusion? a Small nuclei combine to form larger nuclei b Atoms ionize without changing nuclei c Nuclei decay into neutrons d Nuclei split into smaller parts 9 What is released during radioactive decay? a Only neutrons b Only photons c Only energy d Energy, subatomic particles, and possibly new nuclei

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Nuclear Physics Basics

Quiz

About this activity

Created by

Download the paper version to play

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Nuclear Physics BasicsOnline version

by Ola

What is mass defect in a nucleus?

What happens in beta decay?

What are gamma rays?

What is an alpha particle?

What does half-life define?

What is nuclear fission?

What is critical mass?

What happens in nuclear fusion?

What is released during radioactive decay?