Waves the electromagnetic spectrum
2 marks · EasyMicrowaves are part of the electromagnetic spectrum.
State one use of microwaves.
State whether microwaves have a higher or lower frequency than infrared waves.
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(a) e.g. cooking food, satellite communication, mobile phone communication · must show A correct use of microwaves
(b) Lower frequency · must show States lower frequency
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Marking points
B1 (a) · 1 mark · States a correct use of microwaves such as 'cooking food' or 'satellite communication'.
B1 (b) · 1 mark · Correctly states microwaves have a lower frequency than infrared waves.
Worked solution
(a) One use of microwaves is in cooking food (microwave ovens).
(b) Microwaves have a lower frequency than infrared waves.