Q

Which of the following examples best illustrates a high pitch sound in everyday life?

RRB Group D 25 Aug, 2026 (9:00 AM - 10:30 AM) 2026
✓ Answer: D A child blowing a whistle
The correct choice is A child blowing a whistle. Sound behaviour is determined by wave properties such as frequency, amplitude, wavelength and the medium of propagation.