Q51 / 270 · NDA 2010 (Phase 2) · General Ability
Sound moves with higher velocity if:
- Apressure of the medium is decreased
- Btemperature of the medium is increased
- Chumidity of the medium is increased
- Correct answerDboth B and C above
Solution
The correct answer is option (D).
Hence, the correct answer is option: 'D'.