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प्रश्न
Use the analogy to fill in the blank
Spontaneous process: Natural Radioactivity, Induced process: _______.
रिक्त स्थान भरें
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उत्तर
Spontaneous process : Natural Radioactivity, Induced process : Artificial radioactivity
(or) Man – made activity.
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Types of Radioactivity
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संबंधित प्रश्न
Man-made radioactivity is also known as _______.
In which of the following, no change in mass number of the daughter nuclei takes place
- α decay
- β decay
- γ decay
- neutron decay
________ aprons are used to protect us from gamma radiations.
_______ is used to measure exposure rate of radiation in humans.
The radio isotope of ________ helps to increase the productivity of crops.
Match: III
| a. | Soddy Fajan | Natural radioactivity |
| b. | Irene Curie | Displacement law |
| c. | Henry Bequerel | Mass energy equivalence |
| d. | Albert Einstein | Artificial Radioactivity |
Mark the correct choice as
- Assertion: In a β - decay, the neutron number decreases by one.
- Reason: In β - decay atomic number increases by one.
Who discovered natural radioactivity?
Which material protects us from radiation?
Cell phone towers should be placed far away from the residential area – why?
