Figure 10 shows the position of three types of wave in the electromagnetic spectrum - AQA - GCSE Physics - Question 6 - 2020 - Paper 1
Question 6
Figure 10 shows the position of three types of wave in the electromagnetic spectrum.
Figure 10
A Microwaves B Visible light C D Gamma rays
Which lette... show full transcript
Worked Solution & Example Answer:Figure 10 shows the position of three types of wave in the electromagnetic spectrum - AQA - GCSE Physics - Question 6 - 2020 - Paper 1
Step 1
Which letter represents the position of X-rays in the electromagnetic spectrum?
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Answer
The letter representing the position of X-rays in the electromagnetic spectrum is D (Gamma rays). X-rays are positioned between ultraviolet rays and gamma rays.
Step 2
Give one possible harmful consequence of receiving a dose of X-ray radiation.
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Answer
One possible harmful consequence of receiving a dose of X-ray radiation is a mutation of genes, which may lead to cancer or other harmful health effects.
Step 3
Compare the risk of harm to the patient of having an X-ray rather than a CT scan.
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Answer
The risk of harm from having an X-ray is significantly lower than that from a CT scan. Specifically, the CT scan has a radiation dose of 6.0 millisieverts, which is 60 times greater than the 0.1 millisievert dose from the X-ray.
Step 4
Which of the following is the same as 6.0 millisieverts?
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Answer
The value that is the same as 6.0 millisieverts is 0.0060 sieverts.
Step 5
Calculate the percentage of this dose that came from one X-ray of the arm.
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Answer
To calculate the percentage of the total dose from one X-ray of the arm, use the formula:
ext{Percentage} = rac{ ext{Dose from X-ray}}{ ext{Total Dose}} imes 100
