A student obtained a sharp image of the grill of a window in the laboratory on a screen, using a convex lens. For getting better results, her teacher suggested focussing of a distant tree instead of the grill. In which direction should the lens be moved for this purpose to get a sharp image on the screen?(1) Towards the screen(2) Away from the screen(3) Behind the screen(4) Very far away from the screen

A student obtained a sharp image of the grill of a window in the labor

1.	A student obtained a sharp image of the grill of a window in the laboratory on a screen, using a convex lens. For getting better results, her teacher suggested focussing of a distant tree instead of the grill. In which direction should the lens be moved for this purpose to get a sharp image on the screen?(1) Towards the screen(2) Away from the screen(3) Behind the screen(4) Very far away from the screen
Answer» A student obtained a sharp image of the grill of a window in the laboratory on a screen, using a convex lens. For getting better results, her teacher suggested focussing of a distant tree instead of the grill. In which direction should the lens be moved for this purpose to get a sharp image on the screen? (1) Towards the screen (2) Away from the screen (3) Behind the screen (4) Very far away from the screen