The electromagnetic spectrum consists of seven radiation rays - NSC Technical Sciences - Question 7 - 2022 - Paper 1
Question 7
The electromagnetic spectrum consists of seven radiation rays. List any FOUR of the seven rays in no particular order.
Write down the rays that:
Lead to skin damag... show full transcript
Worked Solution & Example Answer:The electromagnetic spectrum consists of seven radiation rays - NSC Technical Sciences - Question 7 - 2022 - Paper 1
Step 1
List any FOUR of the seven rays in no particular order.
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Answer
The four radiation rays from the electromagnetic spectrum are:
Ultraviolet
Infrared
X-rays
Radio waves
Step 2
Lead to skin damage when a person is overexposed to sunlight.
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Answer
Ultraviolet rays are responsible for skin damage when a person is overexposed to sunlight.
Step 3
Are used in night-vision devices.
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Answer
Infrared rays are used in night-vision devices.
Step 4
Can penetrate the human body to gather medical information.
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Answer
X-rays can penetrate the human body to gather medical information.
Step 5
Have photons with the lowest energy.
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