Class 7 Science - Chapter Light NCERT Solutions | Fill in the blanks: (a) An image that

Welcome to the NCERT Solutions for Class 7th Science - Chapter Light. This page offers a step-by-step solution to the specific question from Exercise 1, Question 1: fill in the blanks a an image that cannot be....
Question 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.

Answer

(a) Virtual image
Virtual image cannot be obtain on screen. A virtual image can be seen only by looking into a mirror. The image of our body formed by a plane mirror cannot be received on a screen, it can be seen only looking into the mirror.

(b) Mirror
An image formed by a convex mirror is always virtual and smaller in size.

(c) Plane
Plane mirror always form an image which is exact to the size of the object.

(d) Real
An image that can be obtained on a screen is called a real image.

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

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