1) Fill in the blanks I") 20:09
119
Exe
Fill in the blanks
i. The perpendicular to the mirror at the
point of incidence is called............
ii. The reflection of light from a wooden
surface is.............. reflection.
iii. The working of Kaleidoscope is
based on the properties of ..............
Draw a figure describing the following.
The reflecting surfaces of two mirrors
make an angle of 900 with each other. If a
ray incident of one mirror has an angle of
incidence of 300, draw the ray reflected
from the second mirror. What will be its
angle of reflection?
How will you explain the statement 'we
cannot see the ob.iects in a dark room'?