In Fig. 10.27, O stands for object, M for mirror, and I for image. Which of the following statements is true?
- (i) Figure (a) plane mirror and (b) concave mirror.
- (ii) Figure (a) convex mirror and (b) concave mirror.
- (iii) Figure (a) concave mirror and (b) convex mirror.
- (iv) Figure (a) plane mirror and (b) convex mirror.
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Explanation
- In figure (a), the image is as far behind as the object is in front — a plane mirror.
- In figure (b), the image is closer and smaller — a convex mirror.
- So (a) is a plane mirror and (b) is a convex mirror.