Question

please help me .... in this question

Answer 1

If the image in the mirror is placed at 40cm ,the object is placed at 40cm.

if the object is moved towards the mirror trough a distance of 20cm,then the image is at 20cm

reason; distance of object is equal to distance of image inside the mirror.

draw the ray diagram which has the characteristics of real&inverted.

Answer 2

If the image in the mirror is placed at 40cm ,the object is placed at 40cm.

if the object is moved towards the mirror trough a distance of 20cm,then the image is at 20cm

reason; distance of object is equal to distance of image inside the mirror.