A toy of height 4cm is placed 30cm in front of a concave mirror having a focal length of 15cm. Answer the following questions related to the image formed.
a. (a) Calculate the position of the image from the mirror.
b. (b) Find the height of the image produced.
c. (c) Determine the magnification obtained.
d. (d) State whether the image is real or virtual and erect or inverted.