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प्रश्न
Arrange the following in the chronological order of discovery
Nuclear reactor, radioactivity, artificial radioactivity, discovery of radium.
उत्तर
- Radioactivity (1896)
- Discovery of radium (1898)
- Artificial radioactivity (1934)
- Nuclear reactor (1942).
APPEARS IN
संबंधित प्रश्न
Define the following form:
Moderator in nuclear reactor
Kamini reactor is located at ______.
Which of the following is/are correct?
- Chain reaction takes place in a nuclear reactor and an atomic bomb.
- The chain reaction in a nuclear reactor is controlled
- The chain reaction in a nuclear reactor is not controlled
- No chain reaction takes place in an atom bomb
If a moderator is not present, then a nuclear reactor will behave as an atom bomb.
Match: II
| a. | Fuel | lead |
| b. | Moderator | heavy water |
| c. | Control rods | cadmium rods |
| d. | Shield | uranium |
When and where was the first nuclear reactor built?
Give the function of control rods in a nuclear reactor.
In Japan, some of the new born children are having congenital diseases. Why?
What is a nuclear reactor? Explain its essential parts with their functions.
Mass number of a radioactive element is 232 and its atomic number is 90. When this element undergoes certain nuclear reactions, it transforms into an isotope of lead with a mass number 208 and an atomic number 82. Determine the number of alpha and beta decay that can occur.
