DP Physics (first assessment 2025)

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Question EXE.2.HL.TZ0.b

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Date Example questions Example questions Marks available [Maximum mark: 4] Reference code EXE.2.HL.TZ0.b
Level HL Paper 2 Time zone TZ0
Command term Suggest Question number b Adapted from N/A
b.
[Maximum mark: 4]
EXE.2.HL.TZ0.b

Suggest two changes to the system that will make the geophone more sensitive.

[4]

Markscheme

Any two suggestions from:

Increase number of turns in coil ✓
Because more flux cutting per cycle ✓   

Increase field strength of magnet  ✓
So that there are more field lines ✓ 

Change mass-spring system so that time period decreases ✓
So magnet will be moving faster for given amplitude of movement ✓

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