Sci-Five | The Hindu Science Quiz: On Radioactivity
1 / 5 |
Who is credited with the invention of Radioactivity?
- Michael Faraday
- Marie Curie
- Henri Becquerel
- Pierre Curie
The phenomenon of radioactivity was first reported in 1896 by Henri Becquerel for a uranium salt. In 1898, Marie Curie and her husband Pierre Curie found two different radioactive components–radium and polonium.
Next
2 / 5 |
Which of the next particles is just not generally emitted throughout radioactive decay?
- Alpha particles
- Beta particles
- Gamma ray
- Protons
During radioactive decay, the radioactive ingredient could emit positively charged alpha particles, negatively charged beta particles, gamma rays or X-rays.
Next
3 / 5 |
Which materials is often used to defend towards alpha particles?
Alpha particles are the least penetrating kind of radiation. Even probably the most energetic alpha particles may be stopped by a single sheet of paper.
Next
4 / 5 |
Which radioactive isotope is utilized in carbon relationship to find out the age of historic artefacts?
- Uranium-238
- Plutonium-239
- Carbon-14
- Radon-222
Radiocarbon relationship, or carbon-14 relationship, is a scientific technique that may precisely decide the age of natural supplies as outdated as roughly 60,000 years.
Next
5 / 5 |
Where did the world’s worst nuclear catastrophe happen?
- Fukushima
- Chernobyl
- Bhopal
- Cumbria
Chernobyl was the worst nuclear catastrophe in historical past, releasing greater than 400 occasions as a lot radioactive materials because the Hiroshima atomic bomb. An uncontrollable chain response contained in the reactor precipitated a pointy improve in temperature that finally resulted within the fusion of the gasoline rods, a steam explosion and a fireplace.
Next
