Curriculum
Course: IB Physics HL
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Curriculum

IB Physics HL

Theme A — Space, Time and Motion

0/125 Dr Dabour Hub Science Diagram and Course Material

Theme B — The Particulate Nature of Matter

0/105 Dr Dabour Hub Science Diagram and Course Material

Theme C — Wave Behaviour

0/73 Dr Dabour Hub Science Diagram and Course Material

Theme D — Fields

0/77 Dr Dabour Hub Science Diagram and Course Material

Theme E — Nuclear and Quantum Physics

0/89 Dr Dabour Hub Science Diagram and Course Material

Tools and Inquiry — IB Physics skills

0/43 Dr Dabour Hub Science Diagram and Course Material
Quiz

A.5.1 Reference Frames – Check yourself

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  • Questions count: 6
  • Passing grade: B+
  • Time limit: 10 minutes
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1.
Which of these is an inertial reference frame?
A car braking sharply
A roundabout turning at constant rate
A train moving at constant velocity in a straight line
A rocket accelerating upwards
2.
An event is best described as
a point in space and an instant in time
a position only
a moving object
a process lasting several seconds
3.
A frame S′ moves at 30 m s−1 in the +x direction relative to S. A point is at x = 200 m in S at t = 5.0 s (origins coincided at t = 0). Its x′ is
350 m
170 m
230 m
50 m
4.
Which statement about inertial frames is correct?
Only the frame fixed to the Sun is inertial
Any frame moving at constant velocity relative to an inertial frame is inertial
Inertial frames must be at rest
Inertial frames can be rotating if slowly
5.
An observer on a platform says a cup on a train is moving; the passenger says it is at rest. Who is correct?
Neither
The passenger only
The observer only
Both, each in their own frame
6.
Why does the observer's lattice of clocks help in defining the time of an event?
It records the time at the event's location with no signal delay
It makes all frames agree on time
It makes the frame non-inertial
It removes the need for a speed limit
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Part of Theme A — Space, Time and Motion — see every lesson and quiz in this unit.
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