Propagation of Sound Waves - Jamb Physics Past Questions and Answers

Question 11:

• JAMB 1986

The vibration of an air column produces the sound in the

A. Piano
B. Guiter
C. Flute
D. School handbell

Question 12:

• JAMB 1988

Which of the following media allow the transmission of sound wave through them i. Air. ii. Liquids. iii. Solids.

A. I and ii only
B. I and iii only
C. Ii and iii only
D. I,ii and iii

Question 13:

• JAMB 1988

Which of the following factors affects the speed of sound in air? i. Temperature ii. pressure iii. Frequency

A. I only
B. Ii only
C. I and ii only
D. Ii and iii only

Question 14:

• JAMB 1988

The speed of sound in air at sea-level is 340ms^-1 while that of light is 300 000kms^-1. How far (to the nearest meter) from the center of a thunderstorm is an observer who hears a thunder 2s after a lightening flash?

A. 170ms^-1
B. 340ms^-1
C. 600ms^-1
D. 680ms^-1

Question 15:

• JAMB 1989

In a sound wave in air, the adjacent rarefactions and compressions are separated by a distance of 17cm. If the velocity of the sound wave is 340ms^-1. Determine the frequency

A. 10Hz
B. 20Hz
C. 1000Hz
D. 5780Hz