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प्रश्न
Three convex lenses are available having focal lengths of 4 cm, 40 cm and 4 m respectively. Which one would you choose as a magnifying glass and why?
लघु उत्तर
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उत्तर
We will choose the lens with a focal length of 4 cm as the image formed will be more magnified (the smaller the focal length of a lens, the higher will be the magnification).
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या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 5: Refraction of Light through Lenses - EXERCISE [पृष्ठ १३५]
