Question

a concave mirror has a focal length of 18cm where will an image if an object is placed a 58 cm from the mirror if the object is 12 cm what will be the height of the image is the image erect or invert real or virtual

Answer 1

Answer:

HERE IS YOUR ANSWER

M = H2 = -V/U = 1/2

= -V = U/2

V = -4/2

1/V + 1/U = 1/F

1/-U/2 + 1/U = 1/18

-2/U + 1/U = 1/18

-U/U = 1/18

U = -18

U = 18

Explanation:

Hope it will help you...

Anshika....