Question

an object 1 metre tall is placed at a distance of 40 cm from a plane mirror .1)what is the height of the image? 2) what is the distance between the image and the object​

Answer 1

Answer:

Height of the object is 1 metre

Distance is 40cm

Answer 2

Explanation:

1. height of image is always equal to the height of object in a plane mirror. Therefore , height if image = 1 meter
2. In plane mirror distance between object and mirror and distance between mirror and image is also equal .Thus , distance between image and object = 2 × 40 = 80 cm

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