7.1 The electromagnetic spectrum consists of seven radiation rays - NSC Technical Sciences - Question 7 - 2022 - Paper 1
Question 7
7.1 The electromagnetic spectrum consists of seven radiation rays. List any FOUR of the seven rays in no particular order.
7.2 Write down the rays that:
7.2.1 Lead... show full transcript
Worked Solution & Example Answer:7.1 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 rays of the electromagnetic spectrum are:
Radio waves
Infrared
Ultraviolet
X-rays
Step 2
7.2.1 Lead to skin damage when a person is overexposed to sunlight
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Answer
Ultraviolet rays lead to skin damage due to excessive exposure to sunlight.
Step 3
7.2.2 Are used in night-vision devices
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Answer
Infrared rays are utilized in night-vision devices for enhanced visibility in low light conditions.
Step 4
7.2.3 Can penetrate the human body to gather medical information
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X-rays can penetrate the human body and are used to gather medical information.
Step 5
7.2.4 Have photons with the lowest energy
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Radio waves possess photons with the lowest energy among the electromagnetic spectrum.
