Question

We wish to obtain an erect image of an object , using a concave mirror of focal length 15 cm. What should be the range of distance of the object from the mirror ? What is the nature of the image? Is the image larger than the object?

Answer 1

1)the range of distance of the object from the mirror should be less than 15 CM that is from zero to 15 CM in the front of mirror from the pole
2)the nature of image so formed will be virtual and erect
3) the size of the image will be larger than the object