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Question
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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Solution
X – rays have a destructive effect on living tissue. When the human body is exposed to X – rays, it causes redness of the skin, sores, and serious injuries to the tissues and glands. They destroy the white corpuscles of the blood. If you don’t wear lead aprons these kinds of diseases formed in your body. In my suggestion, you must wear lead aprons.
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RELATED QUESTIONS
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
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________ aprons are used to protect us from gamma radiations.
Positron is an ________.
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: _______.
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.
Who discovered natural radioactivity?
