Question

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Q. A students tocuses 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 1

Dear Student ,
Here are the answers of your question .
1. he should move the lens towards the screen .
2. Size of the image increases .
3. No image will be formed on the screen .
Regards