Question

An object of size 7 cm is placed at 27 cm in front of a
comode mirror of focal length 18 cm. At what distance
from the mirror should a screen be placed so that a
sharp focussed image can be obtained ? Find the size
and the nature of the image ​

Answer 1

Answer:

Step by step solution by experts to help you in doubt clearance & scoring excellent marks in exams. Focal length, f=-18cm. The screem should be placed at distance of 54 cm in front of the given mirror. The negative value of magnification indicate that the image formed is real.

Answer 2

Answer:

54 cm

Explanation:

so, image is double in size to that of object.

Nature: real, inverted and magnified image.