The newest 11 of 11 written questions. Open one to see it on the real paper.
Describe one harmful effect on people of excessive exposure to ultraviolet radiation.
See it on the paper →State one useful application of ultraviolet radiation.
See it on the paper →State one harmful effect of ultraviolet radiation.
See it on the paper →State one use for X-rays in a hospital.
See it on the paper →Ultrasound waves are used in a hospital to scan unborn babies. Explain why ultrasound is used in preference to X-rays.
See it on the paper →The climber is exposed to ultraviolet radiation from the Sun. Describe one danger to humans of too much exposure to ultraviolet radiation.
See it on the paper →State one danger of ultraviolet radiation.
See it on the paper →State the name of the electromagnetic radiation that causes sunburn.
See it on the paper →Most candidates gained credit through a cancer related argument, often skin cancer which was appropriate for the context.
— Examiner report, May/June 2025, 0654/31 Q12(a)(iii) (Cambridge)
Most candidates knew that ultraviolet radiation causes sunburn.
— Examiner report, October/November 2023, 0654/33 Q3(a)(i) (Cambridge)
Cancer and mutation were well known consequences of using X-rays.
— Examiner report, February/March 2023, 0654/32 Q3(b)(i) (Cambridge)
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Suggest a reason why it is not safe to scan unborn babies with X-rays.
X-rays and γ-radiation are forms of ionising radiation. State one harmful effect of ionising radiation on humans.
See it on the paper →X-rays are used to look at bones in the human body. Describe a safety precaution that is taken when using X-rays.
See it on the paper →