Curriculum
Course: IB Physics HL
time left:
:
:
Login

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

C.3.1 Wavefronts and Rays – Check yourself

Submit quiz
Once you submit, you will no longer be able to change your answers. Are you sure you want to submit the quiz?
Cancel Submit
  • Questions count: 6
  • Passing grade: B+
  • Time limit: 10 minutes
Start Quiz
1.
The direction of a ray relative to the wavefronts is
Perpendicular
Parallel
At 45°
Random
2.
Wavefronts in a ripple tank are 2.0 cm apart and the frequency is 15 Hz. The speed is
7.5 m s−1
0.13 m s−1
30 m s−1
0.30 m s−1
3.
A point source radiates uniformly. The wavefronts are
Plane in all positions
Elliptical
Spherical
Cylindrical in air
4.
In Huygens' construction, the new wavefront is
The line through the wavelet centres
The envelope tangent to the wavelets
The perpendicular bisector of the wavelets
The largest wavelet
5.
Waves move into a medium where their speed is lower. The wavefronts
Become closer together
Spread further apart
Stay the same distance apart
Stop
6.
The intensity from a point source is 100 W m−2 at 1.0 m. At 5.0 m it is
20 W m−2
25 W m−2
500 W m−2
4.0 W m−2
  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
Part of Theme C — Wave Behaviour — see every lesson and quiz in this unit.
Accepted payment methods