student has obtained a sharp image of lighted candle on the students using a convex lens now he want to focus a distant lamp on a far away electric pole in which direction should the lens be moved for this purpose with respect to the screen to get sharp image of the screen?justify your answer?
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He should move lens away from screen.
Convex lens forms image of object at greater distance at longer distances.
Here lighted candle is nearer than lamp on distant electric pole, so the image will formed at more distance.
Therefore he has to move away convex lens in order to get sharp image of distant lamp on electric pole.
Convex lens forms image of object at greater distance at longer distances.
Here lighted candle is nearer than lamp on distant electric pole, so the image will formed at more distance.
Therefore he has to move away convex lens in order to get sharp image of distant lamp on electric pole.
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