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Question
Which material protects us from radiation?
One Line Answer
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Solution
Lead-coated aprons and lead gloves should be used while working in the hazardous area. These materials are used to protects us from radiation.
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Types of Radioactivity
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RELATED QUESTIONS
Man-made radioactivity is also known as _______.
Artificial radioactivity was discovered by ______.
________ aprons are used to protect us from gamma radiations.
Positron is an ________.
_______ is used to measure exposure rate of radiation in humans.
Match: III
| a. | Soddy Fajan | Natural radioactivity |
| b. | Irene Curie | Displacement law |
| c. | Henry Bequerel | Mass energy equivalence |
| d. | Albert Einstein | Artificial Radioactivity |
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.
If A is a radioactive element which emits an α - particle and produces 104Rf 259. Write the atomic number and mass number of the element A
Give the SI unit of radioactivity.
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