2024HSCMultiple choice

Q12

1 mark

Question

A rod has a length, $L_0$ , when measured in its own frame of reference.

The rod travels past a stationary observer at speed, $v$ , as shown in the diagram.

Which option represents the relationship between the speed of the rod, $v$ , and the length of the rod as measured by the stationary observer?
A. $W$
B. $X$
C. $Y$
D. $Z$

Uncropped source page 7 for question 12; requires human review and cropping — Reviewed visual · source page 7

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Syllabus alignment

Module 7 · The Nature of Light

Light and Special RelativityEvaluate evidence for Einstein's postulates and analyse time dilation and length contraction.

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