We wish to obtain an erect image of an object using either a concave mirror or a convex mirror both of focal length of 15 𝑐𝑚. Is it true that the image is smaller than the object in each case?

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True

False

answer is A.

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Detailed Solution

The above statement is True.
The image is smaller than the object.
If the object is positioned in front of the concave mirror at a distance of less than

15 cm

from its pole, we can use the concave mirror to create an erect image of the object. The ray diagram is shown in Fig. below and the image is larger than the object.
Question Image

By positioning the object in front of a convex mirror at any distance (less than or greater than), we can also get the object’s erect picture. The ray diagram is as shown in Fig. and the image is now smaller than the object.
Question Image

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