Question

The magnification of the image formed by the spherical mirror is m =- 3 .Based on the information answer the following questions 1.what kind of the image forms such a mirror?
2.write the characterisits of the image?

Answer 1

Answer:

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Explanation:

Following observations can be made based upon the given information i.e. magnification = -3

1) Since  magnitude of magnification is greater than one therefore height of the image is thrice than that of the object.

2) Minus sign indicates the image is formed is below principal axis.

3) If object is placed above the principal axis than the image formed is real and inverted.

Answer 2

Answer:

(i) Concave Mirror forms such image.

(ii) The image is Real, Inverted and Enlarged.

(iii) If the Size of the Object = 2cm, m = 1.25,

     So, What is the size of the image? $h_{i}$ = ?

= m = $h_{i}/h_o$

= -1.25 = $h_i/2$

= $h_i$ = -2 x 1.25

= $h_i$ = -2.50cm

(iv) Real, Inverted and Enlarged images are formed. So the position of the image is beyond C.