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Exam (elaborations)
AQA AS PHYSICS Paper 2 7407/2||QUESTIONS & MARKING SCHEME MERGED|| GRADED A+||
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---69March 20242023/2024A+
- Section A box 
Answer all questions in this section. 
0 1 . 1 Figure 1 shows a micrometer screw gauge. 
Figure 1 
What is the reading on the micrometer? 
Tick () one box. 
[1 mark] 
6.25 
6.75 
7.25 
8.25 
3 
*03* 
Turn over ► 
IB/M/Jun23/7407/2 
Do not write 
outside the 
0 1 . 2 A metal wire of diameter d box is held in the gap between the anvil and the spindle. 
Just before the reading of d is taken, the gap is closed using the ratchet and not the 
thimble. 
Explain why the gap is closed...
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