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Topic 4 & 5 Waves, light and the EM Spectrum

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Total cards: 24•Content version: v3•Public deck•Updated: 8/1/2026

Card preview (24)

#1
Front (Question)

1 Name three different types of wave.

Back (Answer)

any three from: light, sound, waves on water, seismic waves

#2
Front (Question)

2 What property of a wave does the wavelength describe?

Back (Answer)

the distance from one wave to the same place on the next wave

#3
Front (Question)

3 What are the units for wavelength?

Back (Answer)

metres

#4
Front (Question)

4 What property of a wave does the frequency describe?

Back (Answer)

the number of waves per second

#5
Front (Question)

5 What are the units for frequency?

Back (Answer)

hertz

#6
Front (Question)

6 What is transferred by a wave?

Back (Answer)

energy

#7
Front (Question)

7 What does amplitude mean?

Back (Answer)

the height of a wave, more correctly, the maximum displacement of a particle from its rest position

#8
Front (Question)

8 In which direction do the particles in a sound wave move compared to the direction the wave is travelling?

Back (Answer)

backwards and forwards in the same direction as the wave

#9
Front (Question)

9 What word is used to describe waves like sound waves?

Back (Answer)

longitudinal

#10
Front (Question)

10 What word is used to describe waves like the waves on water?

Back (Answer)

transverse

#11
Front (Question)

11 Name a type of transverse wave.

Back (Answer)

waves on water, some seismic waves, light waves

#12
Front (Question)

12 Name a type of longitudinal wave.

Back (Answer)

sound, some seismic waves

#13
Front (Question)

13 What is the difference between longitudinal and transverse waves?

Back (Answer)

the direction the particles move compared to the direction the wave is travelling

#14
Front (Question)

14 What word describes the number of waves per second?

Back (Answer)

frequency

#15
Front (Question)

15 What word describes the time taken for one wave to pass?

Back (Answer)

period

#16
Front (Question)

16 What word describes the distance between a point on one wave and the same point on the next wave?

Back (Answer)

wavelength

#17
Front (Question)

17 What are the units for frequency?

Back (Answer)

hertz

#18
Front (Question)

18 Name two things that waves can transfer.

Back (Answer)

energy and information

#19
Front (Question)

19 Name one thing that waves do not transfer.

Back (Answer)

matter

#20
Front (Question)

20 What is the equation that links wave speed, frequency and wavelength?

Back (Answer)

wave speed=frequency x wavelength

#21
Front (Question)

21 What two things do you need to measure to find the speed of a wave?

Back (Answer)

either the time to cover a certain distance, or the wavelength and the frequency

#22
Front (Question)

22 Describe the path of light when you watch TV.

Back (Answer)

TV to eye

#23
Front (Question)

23 Describe the path of light when you sit underneath a lamp and read a book.

Back (Answer)

lamp to book to eye

#24
Front (Question)

24 What is the word that describes light bouncing off a material?

Back (Answer)

reflection