Fewpal
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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 ?

1 Answer

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Best answer

(i) Lens towards the screen/ screen away from the lens

(ii) Increase. 

(iii) No image on the screen.

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