Exercise
Jharkhand Board Science Solutions for Exercise
Simple step-by-step solutions to Exercise questions of Light from SCIENCE : CLASS VII. Also get 3D topic explainers, cheat sheets, and unlimited doubts solving on EMBIBE.
Questions from Exercise with Hints & Solutions
An image which can be obtained on a screen is called a _____ image.
All images formed by a concave _____ cannot be obtained on a screen.
We can obtain an enlarged and erect image by a convex mirror.
A concave lens always forms a virtual image.
We can obtain a real, enlarged and inverted image by a concave mirror.
A real image cannot be obtained on a screen.
A concave mirror always forms a real image.
Match the items given in Column I with one or more items of Column II.
|
Column I |
Column II |
|
(A) A plane mirror |
(i) Used as a magnifying glass. |
|
(B) A convex mirror |
(ii) Can form the image of objects spreads over a large area. |
|
(C) A convex lens |
(iii) Used by dentists to see an enlarged image of teeth. |
|
(D) A concave mirror |
(iv) The image is always inverted and magnified. |
|
(E) A concave lens |
(v) The image is erect and of the same size as the object. |
|
|
(vi) The image is erect and smaller than the object. |
