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  9. Q437

RRB Technician (Grade I Signal + Grade III) 2024 · Question 437 of 1214

According to the laws of refraction, which of the following is/are true? (A) The incident ray, the refracted ray and the normal to the interface of two transparent media do not lie in the same plane. (B) For a given colour of light and a given pair of media, the ratio of the sine of angle of incidence to sine of angle of refraction is a constant.

best-effort

  1. A‘A’ is false and ‘B’ is true.Correct
  2. BBoth ‘A’ and ‘B’ are false.
  3. C‘A’ is true and ‘B’ is false.
  4. DBoth ‘A’ and ‘B’ are true.

Answer: A. ‘A’ is false and ‘B’ is true.

Official answer key verified. Detailed explanation coming soon.

Source: RRB Technician Grade 3 GK Questions: 24 Dec Shift 3 (4:30 PM - 6:00 PM) (testpaper.org compilation) · memory-based

← Q436View full paper (1214 questions)Q438 →

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