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The diagram shows the parts of the electromagnetic spectrum - Edexcel - GCSE Physics - Question 6 - 2012 - Paper 1
Question 6
The diagram shows the parts of the electromagnetic spectrum. (i) Which parts of the electromagnetic spectrum are used for both communication and cooking? Put a cro... show full transcript
Worked Solution & Example Answer:The diagram shows the parts of the electromagnetic spectrum - Edexcel - GCSE Physics - Question 6 - 2012 - Paper 1
Step 1
Which parts of the electromagnetic spectrum are used for both communication and cooking?
Answer
The correct answer is C: microwaves and radio waves. Both of these parts of the electromagnetic spectrum are utilized in various communication technologies, such as mobile phones and WiFi, as well as in cooking appliances like microwave ovens.
Step 2
Complete the sentence by putting a cross (X) in the box next to your answer.
Answer
The correct answer is B: higher frequency than ultraviolet. This is based on the properties of electromagnetic waves, where visible light has a higher frequency compared to ultraviolet light, allowing it to be perceived by the human eye.