Question

Short Answer Type Questions.

1. If an object is brought towards a concave mirror , how do the position and size of the image change?
2. An object is placed on the principal axis of a concave mirror of focal length 10 cm at a distance of15 cm in front of it. Draw a ray diagram to find the
nature and size of the image formed.
3. Name the kind of mirror used to obtain
a. a real and enlarged image.
b. virtual and enlarged image.
4. Name the kind of mirror used to obtain
a. virtual and diminished image.
b. real and diminished image.​

Answer 1

1 - this is because of the nature of concave mirror as it is bended it also bends the rays coming towards it

Answer 2

Answer:

hi .

1.if an object is brought towards the concave mirror,the position of image increases from focus to infinity and at the point where object is placed between focus and pole the image formed is behind the mirror.The size of the image increases..

2.the image is formed beyond 'c' and it is real and enlarged.

3.concave mirror.

4a.convex mirror.

b.concave mirror