Question

1. A concave mirror has a focal length of 10 cm. where should an object be placed in front of a concave mirror so as to obtain an image which is real, inverted and same size as the object?​

Answer 1

The object should be placed at a distance of 15cm from the concave mirror.

The image is virtual and has a magnification 'm' of 2.

Thus, the object should be placed at a distance of 5 cm in front of the concave mirror.

Answer 2

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