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प्रश्न
We can burn a piece of paper by focussing the sun rays by using a particular type of lens. Name the type of lens used for the above purpose. Draw a ray diagram to support your answer.
आकृती
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उत्तर
shaalaa.com
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
