Question

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We wish to obtain an erect image of an object, using a concave mirror of focal length 15cm.
What should be the range of distance of the object from the mirror ???
What is the nature of image ???
Is the image larger or smaller than be object ???
Draw a ray diagram to show the image formation in this case.​

Answer 1

Answer:

Object distance should be less than the focal length for theformation of an erect image. Hence, the range of distanceof object from the mirror should be less than 15 cm i.e. from 0 to 15 cm in the front of mirror from the pole. The nature of image so formed will be virtual and erect.

Answer 2

Answer:object should be kept at any point less than 15cm to obtain an erect image.

The image is virtual and erect.

It is larger than the object.

Explanation: