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प्रश्न
Positron is an ________.
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उत्तर
Positron is an antiparticle of electron.
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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
________ aprons are used to protect us from gamma radiations.
Abbreviation of ICRP______.
_______ 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)
Who discovered natural radioactivity?
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?
