| A student focuses the image of a well illuminated distant object on a screen using a convex lens. After that he gradually moves the object towards the lens and each time focuses its image on the screen by adjusting the lens. |
| (i) In which direction-towards the screen or away from the screen, does he move the lens? |
| (ii) What happens to the size of the image-does it decrease or increase? |
| (iii) What happens to the image on the screen when he moves the object very close to the lens? |
Answer:
(i) The student moves the lens towards the screen. (ii) The size of image increases. (iii) No image on the screen will be formed.
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