Light

Fill in the blanks:
(a) An image that cannot be obtained on a screen is called
____________.
(b) Image formed by a convex __________ is always virtual and smaller
in size.
(c) An image formed by a __________ mirror is always of the same size
as that of the object.
(d) An image which can be obtained on a screen is called a _________
image.
(e) An image formed by a concave ___________ cannot be obtained on
a screen.