Many students struggle with the abstract nature of waves. The Question Bank is essential here for graph interpretation. Look for questions regarding stationary waves, interference patterns, and diffraction gratings. The visual nature of these questions means practicing them repeatedly builds a strong visual intuition.
The is the bridge between passive reading and active mastery. It reflects the specific logic of the HKEAA examiners. If you are aiming for a 5 or above in DSE Physics, you cannot afford to just read notes. Nss Physics At Work Question Bank