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प्रश्न
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
विकल्प
(i) only correct
(i) & (ii) are correct
(iv) only correct
(iii) & (iv) are correct
उत्तर
(i) & (ii) are correct
APPEARS IN
संबंधित प्रश्न
Define the following form:
Moderator in nuclear reactor
Kamini reactor is located at ______.
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 |
Arrange the following in the chronological order of discovery
Nuclear reactor, radioactivity, artificial radioactivity, discovery of radium.
When and where was the first nuclear reactor built?
In Japan, some of the new born children are having congenital diseases. Why?
Explain the process of controlled and uncontrolled chain reactions.
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.
