Reflection from a rouch surface is called _____ reflection.
What type of reflection of light takes place from :
(a) a rough surface?
(b) a smooth surface?
Fill in the blanks.
(a) The incident ray, the normal and the reflected ray are all in the same ………… .
(b) Reflection from a rough surface is called ………… reflection.
(c) In a periscope, we see ………… reflection of an object.
(d) In a plane mirror, the image is ………… inverted.
Why do rays in a parallel beam of incident light not remain parallel to each other after reflection from a rough surface?