Physics 1988 Jamb Past Questions and Answers

Question 16 :

• 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 17 :

• JAMB 1988

Which of the following properties is/are common to all waves? i. Diffraction ii. Refraction iii. Interference

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

Question 18 :

• JAMB 1988

A piano wire 0.5m long has a total mass of 0.01kg and is stretched with a tension of 800N. Calculate the frequency of the wire when it sounds its fundamental note

A. 200Hz
B. 100Hz
C. 4Hz
D. 2Hz

Question 19 :

• JAMB 1988

A note is called an octave of another note when

A. Its frequency is twice that of the first note
B. Its frequency is half of the first note
C. The notes have the same fundamental frequency
D. Its periodic time is twice that of the first note

Question 20 :

• 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