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  9. Q326

RRB Technician (Grade I Signal + Grade III) 2024 · Question 326 of 1214

Which of the following statements is NOT correct?

best-effort

  1. AThe angle of incidence and refraction are equal.Correct
  2. BThe incident ray, refracted ray and normal to the surface at incidence lie in the same plane.
  3. CThe speed of light in different media is different.
  4. DThe speed of light in the given medium is different for different colours.

Answer: A. The angle of incidence and refraction are equal.

Official answer key verified. Detailed explanation coming soon.

Source: RRB Technician Grade 3 GK Questions: 23 Dec Shift 3 (4:30 PM - 6:00 PM) (testpaper.org compilation) · memory-based

← Q325View full paper (1214 questions)Q327 →

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