Prelims Model Questions
Total Questions: 3
With reference to Synthetic Aperture Radar (SAR) and electro-optical Earth observation, consider the following statements:
- Electro-optical imaging generally requires adequate illumination and may be affected by cloud cover.
- Synthetic Aperture Radar uses microwave signals and can operate during both day and night.
- SAR imaging necessarily requires clear skies because microwave signals cannot penetrate clouds.
How many of the statements given above are correct?
| A |
Only one
|
|
| B |
Only two
|
|
| C |
All three
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|
| D |
None
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