Synonyms that are in the dictionary are marked in green. Synonyms that are not in the dictionary are marked in red.
Antonyms that are in the dictionary are marked in green. Antonyms that are not in the dictionary are marked in red.
Light тАУ Reflection and Refraction, and The Human Eye and the Colorful World are chapters replete with diagrams and numerical questions, which if practised well, can boost one’s scores significantly.