Question 1
Which of the following best describes the relationship between wave speed (v), frequency (f), and wavelength (λ)?
A. v = f x λ
B. v = f + λ
C. v = f/λ
D. v = f - λ
Question 2
Which type of wave causes particles of the medium to vibrate perpendicular to the direction of wave propagation?
A. Longitudinal waves
B. Transverse waves
C. Both A and B
D. Neither A nor B
Question 3
Sound waves are an example of:
A. Transverse waves
B. Longitudinal waves
C. Electromagnetic waves
D. Surface waves
Question 4
Using Huygens' principle, which of the following best describes the propagation of wavefronts?
A. Each point on a wavefront acts as a source of secondary wavelets.
B. Wavefronts always propagate in a straight line.
C. Wavefronts can only propagate in a vacuum.
D. Wavefronts are always circular in shape.
Question 5
If the frequency of a wave doubles while its speed remains constant, what happens to its wavelength?
A. It remains the same.
B. It doubles.
C. It is halved.
D. It becomes four times.
Question 6
a) A wave travels with a speed of 300 m/s and has a frequency of 500 Hz. Calculate its wavelength. [2]
b) Differentiate between transverse and longitudinal waves, providing one example for each. [3]
Question 7
a) Describe Huygens' principle and its significance in understanding wave propagation. [3]
b) A wavefront approaches a barrier with two small slits. After passing through the slits, what pattern is observed on a screen placed behind the barrier? [2]
Question 8
a) A tuning fork produces a sound wave with a frequency of 440 Hz. If the speed of sound in air is 340 m/s, determine the wavelength of the sound produced. [2]
b) What is the difference between wave speed and frequency when describing a wave? [3]
Question 9
a) A wave on a string has a frequency of 5 Hz and a wavelength of 0.4 m. Calculate the speed of the wave. [2]
b) Explain the relationship between wave speed, frequency, and wavelength. [3]
c) If the frequency of the wave is doubled, what will be its new wavelength? [2]
Question 10
a) Describe the difference between a wavefront and a ray when discussing wave propagation. [3]
b) Using Huygens' principle, explain how a straight wavefront can bend around an obstacle. [3]
c) What pattern is observed when a wavefront encounters a barrier with a single slit? [2]
Question 11
Which of the following waves does not require a medium for propagation?
A. Sound waves
B. Water waves
C. Light waves
D. Seismic waves
Question 12
In a transverse wave, the distance between two consecutive crests is called:
A. Amplitude
B. Frequency
C. Wavelength
D. Wave speed
Question 13
Which of the following best describes the direction of vibration of particles in a longitudinal wave?
A. Perpendicular to the direction of wave propagation
B. In a circular motion
C. Parallel to the direction of wave propagation
D. Random
Question 14
If a wave has a frequency of 50 Hz and a wavelength of 2 meters, what is its speed?
A. 25 m/s
B. 50 m/s
C. 100 m/s
D. 200 m/s
Question 15
Which of the following waves can be polarised?
A. Sound waves
B. Light waves
C. Both A and B
D. Neither A nor B
Question 16
a) What are transverse waves? Provide two examples. [3]
b) A transverse wave has an amplitude of 5 cm. What does this amplitude represent? [2]
c) If the amplitude of the wave is increased, how does it affect the energy of the wave? [3]
Question 17
a) Define longitudinal waves and give two real-world examples. [3]
b) In a longitudinal wave, what do compressions and rarefactions represent? [3]
c) How is the speed of sound in the air affected by an increase in temperature? [2]
Question 18
a) A wave travels with a speed of 3 m/s and has a frequency of 2 Hz. Calculate its wavelength. [2]
b) What is the difference between the speed of a wave and the speed of the particles in the medium through which the wave travels? [3]
c) If the frequency of the wave is halved, how will its speed and wavelength change, if at all? [3]
d) Describe the phenomenon that occurs when two waves of the same frequency and amplitude interfere constructively. [3]
Question 19
a) Define what is meant by the term "wavefront." [2]
b) Using Huygens' principle, explain how wavefronts propagate. [4]
c) Differentiate between a plane wavefront and a spherical wavefront. [3]
d) How do the rays relate to the wavefronts in terms of their direction? [2]
Question 20
a) What are transverse waves? Give an example. [2]
b) Describe the motion of particles in a medium when a longitudinal wave passes through it. [3]
c) How does the amplitude of a wave relate to its energy? [3]
d) If a wave has a high frequency, what can you infer about its wavelength, assuming the wave speed remains constant? [3]