.

1. Experiment :
Direct the light from the
torch on to mirror, steel plate and smooth floor tile

2. which of the objects reflects
light well?
What is the peculiarity of their
surfaces?

3. What happens when light falls on a surface?
When light falls on a mirror,
Steel plate, smooth floor tile etc.,
it is reflected regularly.
This is known as regular reflection.
Mirrors are
surfaces which reflect light
regularly.

4. Mirrors are surfaces which
reflects light regularly

5. How does the light reflect when it falls on
cardboard, roof tile, cloth etc.?
When light falls on rough
surfaces, it is reflected
irregularly. This is diffuse
reflection.