//Given that
h = 1  //(say)
f = 40  //in cm
hdash = .20*h

//Sample Problem 35-1a
printf("**Sample Problem 35-1a**\n")
printf("The image is virtual & on the opposite side of mirror because of having same orientation\n")

//Sample Problem 35-1b
printf("\n**Sample Problem 35-1b**\n")
printf("The height of image is smaller than the object. Therefore, the mirror is concave\n")