Question

A spherical mirror produse an image of magnification -1, on an screen placed at a distance of 50cm
from the mirror
(i) write the type of mirror
ii) Find the distance of the image from the object
(iii) what is the focal length of the mirror
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Answer 1

Answer:

concave mirror...

thanku gys.

Answer 2

Answer:

(a)  As magnification is in negative the image will be  down the principle axis compared to the object and will form in Concave Mirror.

(b)  The distance of image from the object is zero, real and inverted image of the same size is formed at the same place where object is placed.

(c)   Spherical mirror has a radius of curvature R and a focal length i.e 

F=2R

F=250

F=25cm

Explanation:

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