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प्रश्न
_______ is used to measure exposure rate of radiation in humans.
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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 _______.
Artificial radioactivity was discovered by ______.
Gamma radiations are dangerous because
________ aprons are used to protect us from gamma radiations.
Abbreviation of ICRP______.
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?
Mr. Ramu is working as an X-ray technician in a hospital. But, he does not wear the lead aprons. What suggestion will you give to Mr. Ramu?
