State two positions in which a concave mirror produces a magnified image of a given object. List two differences between the two images.
Answers
Answer:Concave mirror is a mirror , which is bulged inside. It is used as shaving mirrors, and also by doctors for examining teeth.
Concave mirror always produce real and inverted image , except in one case , where the image is formed virtual and erect , when the object is placed very near to the mirror(between P and F).
Magnified image - Highly enlarged image ( size of image > size of object)
(i) When the object is placed at F , the image is formed at infinity.
(ii) When the object is placed between P and F ,magnified image is formed.
Differences :-
In the first case (i) ,
1. The image is formed at infinity .
2. Size of image is highly enlarged.
3.Also , the image is real and inverted.
In the second case (ii) ,
1. The image is formed behind the mirror. 2. Size of
image is enlarged .
3.Also, the image formed is virtual and erect.
Explanation:
