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.


Answer :

(a) An image that cannot be obtained on a screen is called virtual image.

(b) Image formed by a convex mirror always virtual and smaller in size.

(c) An image formed by a plane 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 real image.

(e) An image formed by a concave lens cannot be obtained on a screen.

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