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प्रश्न
State two applications of a concave lens.
State one practical use of a concave lens.
लघु उत्तरीय
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उत्तर
- A person suffering from short-sightedness or myopia wears spectacles having a concave lens.
- A concave lens is used as an eye lens in a Galilean telescope to obtain an erect final image of the object.
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Notes
Students should refer to the answer according to their questions.
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
