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प्रश्न
A student obtained clear image of window grills on the screen. But the teacher told him to get the image of a tree far away, instead of window. To get a clear image, the lens must be ............................
विकल्प
moved towards the screen.
moved away from the screen.
moved behind the screen.
moved far away from the screen.
MCQ
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उत्तर
moved towards the screen.
shaalaa.com
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