Edexcel IGCSE Physics B Properties of Waves Questions
Practise interpreting wave diagrams, definitions and calculations, from transverse motion and wavelength to Doppler shifts and refraction.
- Syllabus
- First assessment 2019
- Course
- Physics 4PH1
Exam points
- describe transverse and longitudinal motion using vibration direction and wave travel
- measure wavelength or period from a diagram, then apply any scale or time-base
- use v = fλ, including rearrangement and unit conversion for light, sound or water waves
Covered syllabus points
Question 1
This question is about waves.
Which of these waves is longitudinal?
A
infrared
B
radio
C
sound
D
ultraviolet
Question 2
This question is about waves.
Question (a)
(a)
The diagram represents a wave.
[ 1 ]
Question (i)
(i)
Determine the amplitude of the wave by measuring it with a ruler.
amplitude = ............ cm
[ 1 ]
Question (b)
(b)
Microwaves are part of the electromagnetic spectrum.
[ 3 ]
Question (i)
(i)
Microwaves travel at a speed of 3.0 x 10^8 m/s in air.
A microwave has a wavelength of 2.7 cm.
Calculate the frequency of this microwave.
[wave speed = frequency x wavelength]
frequency = ............ Hz
[ 3 ]
Question 3
This question is about optical fibres.
Question (a)
(a)
Optical fibres use light waves for communication.
Which of these is a correct statement about waves?
A
waves transfer energy, information and matter
B
waves do not transfer energy, information, or matter
C
waves transfer energy without transferring information or matter
D
waves transfer energy and information without transferring matter
[ 1 ]
Question (b)
(b)
A ray of light passes from air into a glass optical fibre.
Diagram 1 shows the path of the ray of light after it has passed through the boundary between air and the optical fibre.
[ 1 ]
Question (i)
(i)
State the name of the wave behaviour responsible for the path of the ray of light as it passes from air into the optical fibre.
[ 1 ]
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