Waves - Jamb Physics Past Questions and Answers

Question 11:

• JAMB 1983

Ripples on water are similar to light waves in that they both

A. Have the same wavelength
B. Are longitudinal
C. Cannot be reflected
D. Travel at the same speed
E. Can be refracted and diffracted

Question 12:

• JAMB 1983

Longitudinal waves do not exhibit

A. Refraction
B. Reflection
C. Diffraction
D. Polarization
E. Rarefaction

Question 13:

• JAMB 1984

When vibration occurs in air column, the distance between a node and an antinode is equal to

A. One-quarter of the wavelength
B. One-hall of the wavelength
C. The wave length
D. Twice the wavelength
E. Four-times the wavelength

Question 14:

• JAMB 1984

Radio waves have a velocity of 3 x 10⁸ms^-1. A radio station sends out a broadcast on a frequency of 800kHz. The wavelength of the broadcast is

A. 375.0m
B. 267.0m
C. 240.0m
D. 37.5m
E. 26.7m

Question 15:

• JAMB 1986

A man clapping his hands at regular intervals observes that the echo of a clap coincides with the next clap. If the reflecting cliff is 160m away and the speed of sound is 320ms^-1, what is the frequency of the clapping?

A. 1 Hz
B. 2Hz
C. 4Hz
D. 8Hz