Wavefronts and The Huygens Principle (Grade 11 NSC Matric Physical Sciences): Quizzes
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Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What is a wavefront?
What is a wavefront?
A line connecting points in phase
How does a point source emit waves?
How does a point source emit waves?
Isotropically in all directions
What do all points on a wavefront have in common?
What do all points on a wavefront have in common?
They are all in phase
According to Huygens principle, what does each point on a wavefront act as?
According to Huygens principle, what does each point on a wavefront act as?
A source of spherical secondary waves
How is the new wavefront position found using Huygens principle?
How is the new wavefront position found using Huygens principle?
Draw a tangent to all secondary waves
Why do secondary wavelets have the same radius?
Why do secondary wavelets have the same radius?
They've all travelled for same time
In circular waves from a point source, what forms a wavefront?
In circular waves from a point source, what forms a wavefront?
Crests at same distance from source
Which phenomenon does Huygens principle help explain?
Which phenomenon does Huygens principle help explain?
Diffraction (waves bend round corners)
What shape of waves does a point source create?
What shape of waves does a point source create?
Circular waves spreading outward
What types of wavefronts does Huygens principle apply to?
What types of wavefronts does Huygens principle apply to?
Straight, curved, or circular