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प्रश्न
Cell phone towers should be placed far away from the residential area – why?
टीपा लिहा
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उत्तर
- Living near a cell phone tower is not healthy. There are multiple health risks associated with living near a cell phone tower.
- Cell phone towers communicate by use pulsed microwave signals (radiofrequency radiation) with each other.
- That is the reason cell phone towers should be placed far away from the residential area.
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Types of Radioactivity
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संबंधित प्रश्न
Artificial radioactivity was discovered by ______.
Gamma radiations are dangerous because
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 |
Who discovered natural radioactivity?
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.
Which material protects us from radiation?
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?
