Question

Q25. It is desired to obtain an erect image of an object, using concave mirror of focal length of
12 cm.
(1) What should be the range of the object distance in the above case?
(ii) Will the image be smaller or larger than the object? Draw a ray diagram to show the
formation of image in this case.
(iii) Where will the image of this object be, if it is placed 24 cm in front of the mirror?​

Answer 1

Answer:

Range of distance should be 0 cm to < 12 cm.

The image will larger than the object.

image

Image will be 24cm in front of the mirror

image

Explanation:

Answer 2

Answer:

(1) RANGE OF OBJECT DISTANCE SHOULD BE BETWEEN POLE AND FOCUS HENCE BETWEEN O-12 CM LEFT SIDE

(2)IMAGE WILL BE LARGER THAN THE OBJECT

(3)IF THE IMAGE WILL BE 24CM IN FRONT OF MIRROR WHICH MEANS ON CENTRE OF CURVATURE R=2F 24=2×12 HENCE IMAGE WILL ALSO BE FORMED ON THE SAME POINT IN FRONT OF THE MIRROR

Explanation:

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