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A convex lens has 20 cm …

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A convex lens has 20 cm focal length in air. what is focal length in water? ( Refractive index of air-water =1.33, refractive index of air -glass= 1.5.)

    • Posted by Manisha Sharma 6 years, 9 months ago

    CBSE > Class 12 > Physics
    • 0 answers
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