Question

a student obtained a clear image of a window bar on screen with the help of a convex lens. but in order to have the best image his teacher suggested him to obtain the image of a distant tree. where will the lens has to be moved in order to obtain a clear image?
a. away from the screen
b. behind the screen
c. toward the screen
d. at a very long distance from the screen

Answer 1

Its A.Away from the screen...as the concave lens moves away  the screen....the image of the tree will be clearly formed on the screen