CBSE Class 10 Science 2019 · Paper 31/4/2 · Question 3(b)
List four characteristics of the image formed by a concave mirror of focal length 40 cm when the object is placed in front of it at a distance of 20 cm from its pole.
Answer
The image is virtual, erect, magnified twice () and formed 40 cm behind the mirror.
The image is:
(i) Virtual (it cannot be obtained on a screen);
(ii) Erect;
(iii) Magnified, twice the size of the object ();
(iv) Formed behind the mirror, cm from its pole ( cm).
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