Q

A certain sound wave has a frequency of 400 Hz. What is the time period for this wave?

RRB Group D 12 Aug, 2026 (12:45 PM - 2:15 PM) 2026
✓ Answer: B 0.0025 seconds
Time period is T = 1/f = 1/400 = 0.0025 s.
← Previous Question Next Question →

📚 Related Questions — Sound

1 Which pair of changes will increase both the loudness and the pitch… 2 A student beats a large drum and blows a high-pitched plastic whistle… 3 Which statement is true about two sounds with the same amplitude but… 4 What forms the compressions and rarefactions in a sound wave traveling through… 5 A student shouts facing a tall building 176 meters away and hears… 6 How can ultrasound be used to detect flaws in a metal block?