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प्रश्न
Man-made radioactivity is also known as _______.
विकल्प
Induced radioactivity
Spontaneous radioactivity
Artificial radioactivity
a & c
MCQ
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उत्तर
Man-made radioactivity is also known as a & c.
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Types of Radioactivity
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संबंधित प्रश्न
Artificial radioactivity was discovered by ______.
In which of the following, no change in mass number of the daughter nuclei takes place
- α decay
- β decay
- γ decay
- neutron decay
Gamma radiations are dangerous because
Abbreviation of ICRP______.
_______ is used to measure exposure rate of radiation in humans.
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 |
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?
