Question

State any 3 application of lenses. ​

Answer 1

Answer:

1. magnifying glass.
2. spectacles
3. telescope

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Answer 2

Answer:

Three application of lenses are as follows:-

• The objective lens of a telescope, camera, slide projector etc., is a convex lens which forms the inverted and real image of the object.
• Our eye lens is also a convex lens. The eye lens forms the inverted image of the object on retina.
• A magnifying glass is a convex lens of short focal length fitted in a steel (or plastic) frame provided with a handle.