Question

the image of an object formed by a mirror is real inverted and is of magnification -1 if the image is at distance of 30 cm from the mirror where is object placed find the position of the image of the object is not move 20 cm towards the mirror what is the nature of the image obtained​

Answer 1

Answer:

Aloha!!

Here as the magnification is -1 so by the definition of magnification , object distance will be also 40 cm from the pole of the mirror.

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Answer 2

here ,

Answers

f= -15cm

and v=-60

it is a concave mirror.