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  9. Q217

RRB Group D (Level-1 posts) 2025 · Question 217 of 386

Which of the following statements is/are true about the loudness and softness of a sound wave? (i) A loud sound has less amplitude as compared to a soft sound. (ii) A loud sound has more energy associated with it as compared to a soft sound. (iii) The loudness of a sound wave is the measure of the response of the ear to the sound.

  1. AOnly (i)
  2. BBoth (ii) and (iii)Correct
  3. COnly (iii)
  4. DBoth (i) and (ii)

Answer: B. Both (ii) and (iii)

Official answer key verified. Detailed explanation coming soon.

Source: RRB Group D 2024 Question Paper PDF (Dec 27, 2025) (Shift 1) · official-answer-key

← Q216View full paper (386 questions)Q218 →

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