Pedagogy of Physical Science (Part II) - Light, IX std science - light, B.Ed portion, IX standard Samacheer kalvi science text book - Unit VI (light), Reflection of light, laws of reflection, lateral inversion, real image, virtual image, curved mirrrors, spherical mirrors, images formed by spherical mirrors, rules for the construction of images, concave mirrors, image formation, sign convention for measurement of distances, sign convention for spherical mirrors, mirror equation, linear magnification, uses of concave mirror, uses of convex mirrors, speed of light, refraction of light, refraction of light from a plane transparent surface, the laws of refraction of light, total internal reflection, conditions to achieve total internal reflection, total internal reflection in nature,