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UPSC CSE 2026 Physics Previous Year Questions

1 questions with answers and explanations. Practice these interactively

Question 1

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.

Select the answer using the code given below:

  1. (a) 1 only
  2. (b) 2 and 3 only
  3. (c) 1 and 2 only
  4. (d) 1, 2 and 3

Answer: (c)

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