Refraction
2 marks · EasyGive one example of a wave that can be reflected, and one example of a wave that can be refracted.
State what is always true about all types of waves when they are reflected or refracted.
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(a) Reflected: light; refracted: sound (allow any correct examples such as water, light, sound).
(b) All waves can be reflected and refracted.
Common mistakes: Only light can be reflected.
Show mark scheme and worked solution
Marking points
B1 (a) · 1 mark · Gives one valid example for reflection and one for refraction (e.g., light, sound, water waves).
B1 (b) · 1 mark · States correctly that all waves can be reflected and refracted.
Worked solution
a) Example of reflected wave: light; example of refracted wave: sound.
b) All waves can be both reflected and refracted.