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2023 · O/N · 5054/12 | Q30

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CIE-5054-2023-ON-p12 · Question 30

You may use a calculator. Take the weight of 1.0 kg to be 9.8 N (acceleration of free fall = 9.8 m/s²).
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30 Ultraviolet radiation is a component of the electromagnetic spectrum. Which application uses ultraviolet radiation? A Bluetooth technology B prenatal scanning C sterilising water D thermal imaging

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5054/12/O/N/23Cambridge O Level Physics 5054 · Oct/Nov 2023 · Paper 1 variant 2 · Question 30