DP Physics (first assessment 2025)

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Question EXE.1A.HL.TZ0.16

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Date Example questions Example questions Marks available [Maximum mark: 1] Reference code EXE.1A.HL.TZ0.16
Level HL Paper 1A Time zone TZ0
Command term Question number 16 Adapted from N/A
16.
[Maximum mark: 1]
EXE.1A.HL.TZ0.16

A spaceship leaves Earth and travels at a speed of 0.60c relative to the Earth to a point P.

P is 3.0 lightyears from Earth.

The spaceship then returns to Earth. Ignore the time taken to reverse the direction of the spaceship.

What is the time taken for the total journey to and from P as measured by an observer in the spaceship?  


A.  6.3 years

B.  5.0 years

C.  8.0 years

D.  10 years

[1]

Markscheme

C

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