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Edexcel | Physics 4PH0 | W 17 1 | Q1

W 17 1

1

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Doctors use ionising and non-ionising radiation in hospitals.

W 17 1

1

(a)

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3 Mark s

The table lists some types of radiation.

Put a tick () in each row of the table to show which types of radiation are

ionising and which are non-ionising.

One has been done for you.

1 mark for each correct tick;;;

W 17 1

1

(b)

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2 Mark s

Give two precautions that doctors should take when using ionising radiation.

any two sensible ideas

e.g.

 keep time exposure short;

 store source in lead container;

 keep distance exposure as long as

possible;

 wear protective clothing (1 MAX);

ignore

idea of ingestion

condone

short half-life for short

time exposure

allow

tongs or barrier for

distance

e.g.

goggles, lab coat,

gloves, mask, etc

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