Waves - Jamb Physics Past Questions and Answers

Question 71:

• JAMB 2007

The fundamental frequency of a plucked wire under a tension of 400N is 250Hz. When the frequency is changed to 500 Hz at constant length, the tension is

A. 1600N
B. 400N
C. 160N
D. 40N

Question 72:

• JAMB 2008

Given the progressive wave equation y = 5 sin (2000 πt - 0.4x), calculate wave length

A. 12.4 m
B. 15.7 m
C. 17.5 m
D. 18.6 m

Question 73:

• JAMB 2008

The fundamental property of a propagating wave which depends only on the source and not the medium of propagation is the?

A. Wavelength
B. Harmonies
C. Frequency
D. Velocity

Question 74:

• JAMB 2008

The above figure shows the motion of a progressive wave along a string. The particle motion of the medium is in direction

A. Parallel to OX
B. Parallel to OY
C. 60^o to OX
D. 60v to OY

Question 75:

• JAMB 2009

The wave phenomenon demonstrated in the diagram above is

A. Reflection
B. Deflection
C. Diffraction
D. Refraction