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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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