2004 2003 2002 2001 2000
  (Sub-Topics) Screening (%) Mains(%)
  1. Reflection on plane mirrors 0 0
  2. Reflection on curved mirrors 0
  3. Refraction on plane surfaces 2.85 0
  4. Total internal reflection 0 0
  5. Lenses 0 5
  6. Prisms 2.85 5
  7. Interference 5.71 5
  Total 11.41 15