Student obtains a blurred image of a distant object on a screen using a convex lens. To obtain a distinct image on the screen he should move the lens _________________
Explanation
Object location | Ray of Diagram | Image location | Image nature | Image size |
Infinity | At | Real and Inverted | Diminished | |
Beyond | Between and | Real and Inverted | Diminished | |
At | At | Real and Inverted | Same size | |
Between and | Beyond | Real and inverted | Enlarged | |
At | At infinity | Real and inverted | Enlarged | |
Between and | On the same side of the object | Virtual and erect | Enlarged |
Hence the answer is to move the lens toward the screen.