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प्रश्न
_______ is used to measure exposure rate of radiation in humans.
रिक्त स्थान भरें
उत्तर
Roentgen is used to measure exposure rate of radiation in humans.
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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
Positron is an ________.
Abbreviation of ICRP______.
If the radiation exposure is 100 R, it may cause ______.
Match: III
| a. | Soddy Fajan | Natural radioactivity |
| b. | Irene Curie | Displacement law |
| c. | Henry Bequerel | Mass energy equivalence |
| d. | Albert Einstein | Artificial Radioactivity |
A cobalt specimen emits induced radiation of 75.6 millicurie per second. Convert this disintegration in to becquerel (one curie = 3.7 × 1010 Bq)
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.
Give the SI unit of radioactivity.
Cell phone towers should be placed far away from the residential area – why?
