71.In which of the following activities are Indian Remote
Sensing (IRS) satellites used?
- Assessment of crop productivity
- Locating groundwater resources
- Mineral exploration
- Telecommunications
- Traffic studies
Select the correct answer using the code given below:
a) 1, 2 and 3 only
b) 4 and 5 only
c) 1 and 2 only
d) 1, 2, 3, 4 and 5
The correct answer is 1, 2, and 3 only
- Indian Remote Sensing satellite
- Indian Remote Sensing satellite Bhaskar 1 launched in 1979 began the era of remote sensing in India.
- Bhaskar 2 was launched in 1981.
- Indian Remote Sensing satellite system came into existence after the successful launch of IRS 1A in 1988.
- Indian Remote Sensing is the largest civilian Remote Sensing satellite constellation in the world.
- It provides imaginary in spatial, spectral, and swath resolutions.
- Indian Remote Sensing satellite is used for various applications like pre-harvest crop area and production estimates, drought, and irrigation monitoring, assessment based on vegetable conditions, flood risk zone mapping and flood assessment, Hydro-geomorphologic maps for locating underground water resources for drilling well, Water use planning estimates land use and land cover mapping, forest survey, prospecting coastal studies environment impact analysis, wetland mapping, etc. Hence, Option 1 is correct.
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