Advertisements
Advertisements
प्रश्न
Cell phone towers should be placed far away from the residential area – why?
टिप्पणी लिखिए
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.
shaalaa.com
Types of Radioactivity
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
APPEARS IN
संबंधित प्रश्न
In which of the following, no change in mass number of the daughter nuclei takes place
- α decay
- β decay
- γ decay
- neutron decay
Gamma radiations are dangerous because
_______ is used to measure exposure rate of radiation in humans.
The radio isotope of ________ helps to increase the productivity of crops.
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.
Who discovered natural radioactivity?
Give the SI unit of radioactivity.
Which material protects us from radiation?
