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1. 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.

Answers (1)

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(a)  virtual image. Only real images can be obtained on the screen.

(b) mirror. 

(c)  plane.

(d) real image. On these type of images can be obtained on the screen.

(e) concave lens. As virtual images cannot be obtained on the screen.

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Devendra Khairwa

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