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प्रश्न
________ aprons are used to protect us from gamma radiations.
विकल्प
Lead oxide
Iron
Lead
Aluminium
उत्तर
Lead aprons are used to protect us from gamma radiations.
APPEARS IN
संबंधित प्रश्न
Man-made radioactivity is also known as _______.
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
_______ is used to measure exposure rate of radiation in humans.
The radio isotope of ________ helps to increase the productivity of crops.
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.
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?
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