INCIDENT RAY - A RAY SHINING ON A SURFACE, APPARENT DEPTH - AN EFFECT OF REFRACTION, LIGHT RAY - A THIN STREAM OF LIGHT, REFLECTION - LIGHT BOUNCING OFF A SHINY SURFACE, NORMAL LINE - A LINE DRAWN AT RIGHT ANGLES TO A SURFACE, REFRACTION - LIGHT CHANGING DIRECTION AS IT MOVES BETWEEN MATERIALS,

अज्ञात द्वारा

लीडरबोर्ड

दृश्य शैली

विकल्प

टेम्पलेट स्विच करें

ऑटो-सेव पुनःस्थापित करें: ?