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 cross (✗) in the box next to your answer. A infrared and microwaves B infrared and radio waves C microwaves and radio waves D radio waves and X-rays (ii) Fluorescent substances absorb ultraviolet and emit visible light. Complete the sentence by putting a cross (✗) in the box next to your answer. Visible light has a ☐ faster speed than ultraviolet ☐ higher frequency than ultraviolet ☐ lower frequency than ultraviolet ☐ smaller wavelength than ultraviolet

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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?

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The correct answer is C: microwaves and radio waves. Both microwaves and radio waves are utilized in communication systems (such as radio broadcasting) and cooking (as in microwave ovens).

Step 2

Complete the sentence by putting a cross (✗) in the box next to your answer.

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Answer

The correct answer is ☐ higher frequency than ultraviolet. Visible light has a higher frequency than ultraviolet light within the electromagnetic spectrum.

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The diagram shows the parts of the electromagnetic spectrum - Edexcel - GCSE Physics - Question 6 - 2012 - Paper 1

Worked Solution & Example Answer:The diagram shows the parts of the electromagnetic spectrum - Edexcel - GCSE Physics - Question 6 - 2012 - Paper 1

Which parts of the electromagnetic spectrum are used for both communication and cooking?

Complete the sentence by putting a cross (✗) in the box next to your answer.

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