Question

(a) An extended object in the form of an arrow pointing upwards has been placed in front of a plane mirror. Draw a labelled ray-diagram to show the formation of its image.
(b) State the uses of plane mirrors.

Answer 1

Answer:

solution An Extended object in the form of an Arrow Pointing Upward Has been placed in front of a plane mirror.Draw a labelled Ray-diagram to show the formation of its image.

Concept: Light reflection and refraction introduction.

Uses of Plane Mirror - definition

•    They are used as looking glass.
•    They are used in solar cookers.
•    They are also used in constructing periscope which is used in submarines.
•    They are also used to make kaleidoscope, a toy which produces beautiful patterns.
•    They are also used in various scientific instruments.