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प्रश्न
________ aprons are used to protect us from gamma radiations.
पर्याय
Lead oxide
Iron
Lead
Aluminium
MCQ
रिकाम्या जागा भरा
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उत्तर
Lead aprons are used to protect us from gamma radiations.
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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
Abbreviation of ICRP______.
The radio isotope of ________ helps to increase the productivity of crops.
Match: III
| a. | Soddy Fajan | Natural radioactivity |
| b. | Irene Curie | Displacement law |
| c. | Henry Bequerel | Mass energy equivalence |
| d. | Albert Einstein | Artificial Radioactivity |
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.
Which material protects us from radiation?
