DP Physics (first assessment 2025)

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Question EXE.1A.HL.TZ0.15

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Date Example questions Example questions Marks available [Maximum mark: 1] Reference code EXE.1A.HL.TZ0.15
Level HL Paper 1A Time zone TZ0
Command term Question number 15 Adapted from N/A
15.
[Maximum mark: 1]
EXE.1A.HL.TZ0.15

The spacetime diagram shows an inertial reference frame S and a second inertial frame S’ that is moving relative to S.

The origins of the frames coincide when the clocks in both frames show zero.

Event X is shown for the S reference frame.

Which event occurs at the same position in the S’ reference frame as X?

[1]

Markscheme

C

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