Question

determine the position, size and nature of the image of an object 4cm tall placed on the principal axis of a concave mirror of focal length 15cm at a distance 30cm from the mirror ​

Answer 1

Explanation:

I) real image

ii) same height

iii) inverted

iv) image is formed at centre of curvature

height of the object is 4cm

focal length of the mirror is 15cm

distance of the object from mirror is 30 cm

object is placed at centre of curvature ( as it's 2 times the focal length)

So,characteristics of the image are

I) real image

ii) same height

iii) inverted

iv) image is formed at centre of curvature