reflection  , bending of light, bouncing back of light, , concave , convex, name the phenomenon , reflection, refraction , light passses through which medium?, glass, wooden table, iron slab, what is incident ray?, ray of light bouncing back, the normal line, the light falling on a surface.

Papan Peringkat

Gaya visual

Pilihan

Berganti templat

Pulihkan simpan otomatis: ?