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प्रश्न
On reducing the focal length of a lens, its power ______.
पर्याय
Decreases
Increases
Does not change
First increases then decreases.
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उत्तर
On reducing the focal length of a lens, its power increases.
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संबंधित प्रश्न
(a) At what distance should the lens be held from the figure in order to view the squares distinctly with the maximum possible magnifying power?
(b) What is the magnification in this case?
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(a) there will be an image at O1
(b) there will be an image at O2.
(c) the only image will form somewhere between O1 and O2
(d) the only image will form away from O2.
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