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प्रश्न
Man-made radioactivity is also known as _______.
विकल्प
Induced radioactivity
Spontaneous radioactivity
Artificial radioactivity
a & c
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उत्तर
Man-made radioactivity is also known as a & c.
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संबंधित प्रश्न
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
________ aprons are used to protect us from gamma radiations.
_______ is used to measure exposure rate of radiation in humans.
Use the analogy to fill in the blank
Spontaneous process: Natural Radioactivity, Induced process: _______.
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.
Who discovered natural radioactivity?
Which material protects us from radiation?
Cell phone towers should be placed far away from the residential area – why?
