A small hole X is made in a piece of
cardboard. The hole
is illuminated by a
torch as shown in
the given figure.
The pencil of light
coming out of the
hole falls on a mirror.
Now, select the correct statement from the
following.
A Hole can only be seen when eye is
placed at P.
B Hole can only be seen when eye is
placed at Q.
C Hole can only be seen when eye is
placed at R.
D Hole can only be seen when eye is
placed at S.
according to the given picture, the light should fall on p not q