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प्रश्न
Gamma radiations are dangerous because
विकल्प
it affects eyes & bones
it affects tissues
it produces genetic disorder
it produces enormous amount of heat
MCQ
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उत्तर
It produces a genetic disorder
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Types of Radioactivity
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संबंधित प्रश्न
________ aprons are used to protect us from gamma radiations.
Positron is an ________.
_______ is used to measure exposure rate of radiation in humans.
The radio isotope of ________ helps to increase the productivity of crops.
If the radiation exposure is 100 R, it may cause ______.
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: _______.
Who discovered natural radioactivity?
Give the SI unit of radioactivity.
Which material protects us from radiation?
