Question
What are the uses of a plane mirror?
Solution
Uses of a plane mirror are:
(i) to see our reflections in it, at our homes.
(ii) used to reflect light on a particular object.
(iii) used for signalling by scouts and army.
(iv) used to form multiple images in show windows.
(v) used to reflect sun rays in appliances like solar cooker etc.
(vi) Toys like kaleidoscope are made on the concept of multiple reflection. Periscopes used by navy is based on the concept of multiple reflection for spying in sea.
