Question Constellation Sign up for free

AQA · GCSE · Physics · Higher

Preventing Radioactive Contamination

Q09.4 1 mark

A teacher investigated the radiation emitted by two radioactive sources.

The teacher took safety precautions during the experiment.

Suggest one safety precaution that the teacher would have taken to avoid becoming contaminated.

Write your answer first. You can study the marking guidance whenever you need it.

Answer this question
Study the marking See what earns credit and compare it with a full-mark answer.

Marking points

  1. 1 Gives one specific precaution preventing radioactive material from contacting or entering the teacher's body.

Full-mark answer

Wear gloves and do not touch the source with bare hands.

Why this answer loses marks

Stand farther from the source.

Distance can reduce irradiation dose, but it does not by itself prevent radioactive material contacting or entering the body.

Answer this question