WAEC Physics 2018 Theory — Question 25

Question 25 of 27 from the West African Examinations Council (WAEC) Physics 2018 Theory paper, with the correct answer and a full explanation.

12.(b) List three evidences to support the claim that X-rays are electromagnetic waves.

Model answer

(i) X-rays travel through space/vacuum with the speed of light. (ii) X-rays can be polarised. (iii) X-rays are not deflected by electric or magnetic fields.

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