Stationary and progressive waves - Jamb Physics Past Questions and Answers

Question 1:

• JAMB 2019

If the time of flight is 96seconds, calculate the horizontal range through the point of projection.

A. 84400m
B. 69000m
C. 61440m
D. 24000m

Question 2:

• JAMB 1993

The relationship between L and the wavelength I of the stationary wave is

A. 2L = \(\lambda\)
B. L = \(\lambda\)
C. L = \(\frac {\lambda}{3}\)
D. 4L = 3 \(\lambda\)