superhydrophobicity superhydrophobicity Heterogeneous Wetting Mathematical Analysis for Heterogeneous wetting. 193148735 Scale of Roughness Both nano and micro scale are important to produce super-hydrophobic surface 193149137 Self cleaning of plant leaves. Rain fall onto leaves of plant which are super hydrophobic.Rain droplet roll and pick up dirt and fall down. 193149138 Transition from hydrophobic to hydrophilic state Transition from super-hydrophobic to super-hydrophilic state induced by light energy. 193149139