Behind a small obstacle in a ripple tank, waves:

  1. leave a perfectly sharp shadow
  2. speed up
  3. reflect only
  4. bend round into the 'shadow' region
Answer

D) bend round into the 'shadow' region

Diffraction round obstacles. SLO P-11-D-13 · Understanding

Physics MCQ · More Superposition, Stationary Waves and Beats MCQs · Practise