PH-325
Hazards of electromagnetic waves
Physics · Secondary 3 · Hard · Hazards of electromagnetic waves
A teenager spends hours each day using a mobile phone (microwaves) and goes for one chest X-ray. Which exposure carries the higher biological risk of causing cancer?
- The chest X-ray, because X-rays are ionising radiation
- The mobile phone, because microwaves are always more energetic
- Both exposures have exactly the same cancer risk
- Neither exposure has any possibility of causing cancer
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