12. Mirror equation and magnification

Find the nature of the image formed when an object with height of 1 \(cm\) is placed at a distance of 21 \(cm\) from a concave mirror of focal length 15 \(cm\).

  

Answer:

 

A) Size of the image - enlargeddiminishedsame size.

 

B) Nature of the image - real and invertedvirtual and erect.