Characteristics of Sound Waves - Jamb Physics Past Questions and Answers

Question 31:

• JAMB 2018

Musical instruments playing the same note can be distinguished from one another owing to the difference in their

A. Quality
B. Pitch
C. Intensity
D. Loudness

Question 32:

• JAMB 2019

A siren having a ring of 200 hole makes 132 rev/min. A jet of air is directed on the set of holes. Calculate the frequency and wavelength in air of the note produced (take v = 350m/s)

A. 0.795m
B. 0.625m
C. 0.335m
D. 0.125m

Question 33:

• JAMB 2020

If a source of solid is moving, a stationary listener will hear a sound of different frequency. This is called?

A. Doppler effect
B. Resonance
C. Ultra sound
D. Rarefaction