2004 2003 2002 2001 2000
  (Sub-Topics) Screening (%) Mains(%)
  1. Pressure 0 3.33
  2. Up-thrust 0
  3. Surface Tension 0 0
  4. Bernoulli’s theorem 3.57 0
  5. Viscosity 0 0
Total 3.57 3.33