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Question : 36
Total: 36
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 imagedoes it decrease or increase?
(iii) What happens to the image on the screen when he moves the object very close to 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 imagedoes it decrease or increase?
(iii) What happens to the image on the screen when he moves the object very close to the lens?
Solution:
(i) The student moves the lens towards the screen.
(ii) The size of image increases.
(iii) No image will be formed on screen.
(ii) The size of image increases.
(iii) No image will be formed on screen.
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