Question

what is the nature and size of megnification when megnification is -3​

Answer 1

Answer:

Here is your answer dear

Explanation:

Magnification=Object sizeImage size. According to new Cartesian sign convention, size of height of real and inverted image is considered negative and that of virtual and erect image is considered positive. The heigh of the object, being erect is considered positive always.

Answer 2

Answer:

nature of image will be diminished and size of magnification is also smaller