WorksheetsAssignment Nuclear Physics
Total questions: 9
Worksheet time: 9mins
Isotopes of same element have different _______________.
symbols
number of protons
number of electrons
number of neutrons
Which of these processes describes a nuclear fusion reaction?
A nucleus absorbs energy to produce lighter nuclei
A nucleus splits to produce energy and lighter nuclei
Two nuclei bind together to produce energy and heavier nuclei
Two nuclei bind together to produce energy and a lighter nuclei
When does radioactive decay occur?
When the nucleus of an isotope is unstable
When the nucleus of an isotope is stable
When the electrons of an isotope are spinning
When the electrons of an isotope are shared with another isotope
Which type of nuclear radiation is being emitted here?
Alpha
Beta
Gamma
Which type of nuclear radiation is being emitted here?
Alpha
Beta
Gamma
Carbon-12 and Carbon-14 are isotopes of carbon. What is the difference between Carbon-12 and Carbon-14?
Number of protons
Number of neutrons
Number of electrons
How much strontium-90 will remain after 100 years if the initial amount is 4.0 g? The half-life of strontium-90 is 25 years.
0.16 g
0.25 g
0.50 g
2.0 g
Nuclear fission and nuclear fusion release a huge amount of energy, E as shown in the picture above. What is m?
Critical mass
Mass defect
Total mass before nuclear reaction
Total mass after nuclear reaction
The statements below are the safety precautions taken when using radioactive materials except
radioactive waste has to be solidified and buried deep underground
handling radioactive materials with forceps
wearing a film badge in handling radioactive materials
storing radioactive materials in wooden boxes labelled with radioactive symbol
