Exam-style question
Try this first
What is the relationship between the size of the aperture and the extent of diffraction?.
- A.Smaller apertures cause more diffraction.
- B.Larger apertures cause more diffraction.
- C.Aperture size has no effect on diffraction.
- D.Diffraction only occurs with circular apertures.
Model answer
What a good answer should say
- Smaller apertures cause more diffraction..
- the correct option
Explanation
Why this works
The correct answer is Smaller apertures cause more diffraction.. This supports Describe diffraction of waves at apertures and edges.
in Diffraction because it uses the required wave or optics principle directly. The other options are less suitable because they confuse a different wave quantity, diagram feature, or boundary condition.
Common mistake
No common mistake is linked to this question yet.