Wave Properties
Physics ⇒ Waves and Sound
Wave Properties starts at 7 and continues till grade 12.
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See sample questions for grade 11
Define the term 'frequency' as it relates to waves.
Describe what happens to the wavelength of a wave if its frequency increases but its speed remains constant.
Describe what is meant by the term 'wavefront'.
Explain the difference between mechanical and electromagnetic waves.
Explain why electromagnetic waves can travel through space but sound waves cannot.
A seismic P-wave travels at 6000 m/s and an S-wave travels at 3500 m/s through the same rock. If both waves are generated simultaneously and detected 120 km away, what is the time difference between their arrivals?
A sound wave in air has a frequency of 256 Hz and a speed of 343 m/s. If the temperature increases and the speed of sound rises to 350 m/s, what is the new wavelength of the sound?
A wave travels from air into water. Its speed increases, but its frequency remains the same. What happens to its wavelength? Explain your reasoning.
Which of the following best describes a transverse wave?
(1) The particles of the medium move parallel to the direction of wave propagation.
(2) The particles of the medium move perpendicular to the direction of wave propagation.
(3) The wave does not require a medium.
(4) The wave travels at the speed of light.
Which of the following best describes the period of a wave?
(1) The number of waves passing a point per second
(2) The time taken for one complete cycle
(3) The distance between two crests
(4) The maximum displacement from rest
Which of the following equations correctly relates wave speed (v), frequency (f), and wavelength (λ)?
(1) v = f × λ
(2) v = f / λ
(3) v = λ / f
(4) v = f + λ
Which of the following is a longitudinal wave?
(1) Light wave
(2) Water wave
(3) Sound wave
(4) Radio wave
The distance between two consecutive crests in a wave is called the __________.
The maximum displacement of a particle from its rest position in a wave is called the __________.
The time taken for one complete cycle of a wave is called the __________.
Fill in the blank: The phenomenon where a wave bends as it passes around an obstacle or through a narrow opening is called __________.
True or False: All electromagnetic waves are longitudinal waves.
True or False: The amplitude of a wave affects its speed.
True or False: The frequency of a wave changes when it passes from one medium to another.
True or False: The speed of a wave depends only on the properties of the medium through which it travels.
