Gamma rays

1 mark · Easy

Which device can be sterilised using gamma rays?

ASurgical scissorsBRubber eraserCTelevision remoteDPlastic spoon at a picnic

› Show answer

Correct option: Surgical scissors

Common mistakes: Plastic spoon; Rubber eraser

› Show mark scheme and worked solution

Marking points

B1 · 1 mark · Identifies surgical scissors as a correct answer

Worked solution

Gamma rays are used to sterilise surgical instruments, so ‘Surgical scissors’ is correct.

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