The chart shows the electromagnetic spectrum - Edexcel - GCSE Physics - Question 1 - 2012 - Paper 1
Question 1
The chart shows the electromagnetic spectrum.
Most of the parts have been labelled.
gamma rays X-rays ultraviolet visible light microwaves
(i) Use words f... show full transcript
Worked Solution & Example Answer:The chart shows the electromagnetic spectrum - Edexcel - GCSE Physics - Question 1 - 2012 - Paper 1
Step 1
Use words from the box to complete the chart.
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Answer
Infrared goes below visible light in the spectrum.
Radio waves are located at the end of the spectrum, opposite gamma rays.
The completed chart is as follows:
gamma rays X-rays ultraviolet visible light microwaves infrared radio waves
Step 2
Which part of the electromagnetic spectrum has the highest frequency?
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Answer
Gamma rays have the highest frequency among the given parts of the electromagnetic spectrum.
Step 3
Describe how this ink could be used.
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Answer
This ultraviolet ink can be used in various applications such as:
Security features on items like banknotes to help identify authenticity and prevent forgery.
Secret messages that reveal their content only under UV light.
Step 4
State one harmful effect of ultraviolet radiation.
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Answer
One harmful effect of ultraviolet radiation is that it can cause skin cancer due to DNA damage in skin cells.
