Which of the following statements with regard to stealth technology is/are correct ?
- 1.Stealth objects have a very small radar cross-section and are coated with Radar Absorbing Material.
- 2.Stealth objects can be detected using specific frequencies.
- 3.Stealth objects are coated with metamaterials to increase the scattering of electromagnetic radiation.
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Answer: C. 1 and 2 only
Answer from the provisional UPSC key; it may change when the final key is out. A full explanation for this question is on its way.