Relationship between frequency, wavelength and wave velocity - Jamb Physics Past Questions and Answers

Question 11:

• JAMB 1992

The equation of a wave is y = 0.005 sin[x(0.5X - 200t)] where x and y are in meters and t is in seconds. What is the velocity of the wave?

A. 4000ms^-1
B. 400ms^-1
C. 250ms^-1
D. 40ms^-1

Question 12:

• JAMB 1993

Determine the distance between the consecutive antinodes XX if the wavelength is 60cm

A. 15cm
B. 30cm
C. 60cm
D. 120cm