Physics
A boy has two lenses A and B. When lens A is kept near a printed page, letters appear magnified. When lens B is used to see a distant object, an upright image is seen. The lenses A and B are :
- both are convex
- both are concave
- A ⟶ concave, B ⟶ convex
- A ⟶ convex, B ⟶ concave
Refraction Lens
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Answer
A ⟶ convex, B ⟶ concave
Reason — Convex lenses are used for magnifying objects held close to them, hence, lens A will be convex lens. Concave lenses produce upright and virtual images for objects placed beyond their focal point, hence, B is a concave lens.
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