Question

FW in the blanks:
1. The point at which the incident ray falls on the mirror is called
2. If a ray of light is incident on a plane mirror at an angle of 30°, its angle of reflection is
and <
3. If a ray of light is incident normally on a mirror,
image.
4. The image of our face in a plane mirror is an example of
to the distance of the object in front of it.
5. The distance of the image behind the plane mirror is
6. The principle of
is made use of in motion picture projection in cinematography. 7. The presence of
cells on the retina helps us to see in dim light.
8. The coned shaped cells of our retina respond to
9. Due to the absence or insufficient number of
cells a person becomes colour blind.
10. Owls and bats are able to see at night due to the presence
of
cells in their retina.
11. The thin, saline liquid that fills the anterior part of the eye is
12.
is the jelly like fluid found in the posterior part of the eye.
13. In a spectrum formed by a prism colour deviates the least and
colour deviates the most.​

Answer 1

Answer:

1. point of incidence

2. 30 degree

3.

4. virtual

5. the distance between the object and mirror

6.

7. Cone cells

8. dim light

9. cone cells

10. Cone cells

11.

12.

13. violet more deviation and red less deviation