Characteristics of Sound Waves - Jamb Physics Past Questions and Answers

Question 26:

• JAMB 2009

Metal cables are used as telephone wires because

A. They are cheap
B. They are sourced locally
C. The speed of sound in them is very low
D. The speed of sound in them is very high

Question 27:

• JAMB 2009

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

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

Question 28:

• JAMB 2012

The lowest note emitted by a stretched string has a frequency of 40Hz. How many overtones are there between 40hz and 180Hz?

A. 4
B. 3
C. 2
D. 1

Question 29:

• JAMB 2013

If a sonometer has a fundamental frequency of 450HZ, what is the frequency of the fifth overtone?

A. 2700Hz
B. 456Hz
C. 444Hz
D. 75Hz

Question 30:

• JAMB 2018

The pitch of an acoustic device can be increased by

A. Decreasing the loudness
B. Increasing the intensity
C. Increasing the frequency
D. Decreasing the intensity