The masks represent emotions and characters in Greek theatre. One shows tragedy (sadness) and the other shows comedy (joy).
Class 6 Arts Kriti-I Chapter 16 Emotions Unveiled NCERT solutions
Class 6 Visual Arts Kriti-I Emotions Unveiled! question answer
The famous Greek masks represent two main emotions in theatre—tragedy and comedy. The sad mask with a frown symbolizes serious, emotional and tragic stories. The happy mask with a smile represents joy, fun and light-hearted comedy. These masks helped actors switch roles and emotions easily while performing and they also helped the audience connect with the story being told.