Q.1 Fill in the blanks:
(a) An image that cannot be obtained on a screen is called ___________.
(b) Image formed by a convex _________ 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.