Draw a well-labelled ray diagram to explain the reflection of light through plane mirror. Explain the features of the image thus formed.
Important Questions on Light-Shadows and Reflection
How are shadows formed?
Why does the shadow of the same teddy differ in sizes?
Name the factors on which the shape and size of the shadows depend.
Look at the diagram given below. It explains the working of a periscope. A periscope makes use of plane mirrors. A simple periscope can be used to see over obstacles such as walls.
a) What is the nature of image formed when we see through a periscope?
b) Give reason for the question asked in part ‘a’.
c) Will the image be larger, smaller or of the same size as the object? Why?
Look at the mirror image of the palm of the lady.
Why is the image larger in size than her palm?
Look at the mirror image of the palm of the lady.
What would happen if the lady stands at a little farther from the same mirror?
