Diffused reflection occurs at a _______ surface.   rough   polished   smooth   Hint Half-n-half Clue   One of the laws of reflection of light states : The angle of _______ is always equal to the angle of reflection.   incidence   convergence   refraction   Half-n-half Clue   For the image of an object to be formed 5 cm behind a plane mirror, the object must be placed _______ in front of the plane mirror.   more than 5 cm   exactly 5 cm   less than 5 cm   Half-n-half Clue   The presence of moisture hinders the reflection of light from taking place.   True   False   A real image is always erect.   True   False