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AQA A-LEVEL PHYSICS [ALL PAPERS] QUESTIONS & MARKING SCHEME MERGED
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---7March 2024
- Section A box
Answer all questions in this section.
0 1 A stroboscope emits bright flashes of white light.
The duration of each flash and the frequency of the flashes can be varied.
Table 1 shows information about the stroboscope.
Table 1
Minimum Maximum
Duration of each flash / μs 60 300
Frequency of flashes / Hz 1 150
The duration of each flash i
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Exam (elaborations)
AQA A-LEVEL PHYSICS Paper 3 7408/3A||QUESTIONS & MARKING SCHEME MERGED||GRADED A+||
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--47March 20242023/2024A+Available in bundle
- eriment in which a bouncing ball is 
illuminated by a stroboscope. 
The stroboscope flashes at a constant frequency. 
Figure 1 
Suggest why T1 must be very short for this experiment. 
[1 mark] 
Question 1 continues on the next page 
4 
*04* 
IB/M/Jun23/7408/3A 
Do not write 
outside the 
box Figure 2 shows the first six images starting with n = 0, where n is the image number. 
Figure 2 
The images are used to determine: 
 H, the vertical distance from the bottom of the ball to the floor when n =...
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