Question

uses of convex lens and concave lens of 5 points in each

Answer 1

Uses of Convex Lenses

1.Uses in spectacles to correct the defect of vision called hypermetropia or long sightedness

2.Used for making a simple camera

3.Used as magnifying glasses

4.Used in microscopes, telescopes, film projectors, etc.

Uses of Concave Lenses

1.Concave lenses are used for correcting myopia or short-sightedness.

2.Concave lenses are used on flashlights to magnify the light produced by the bulb.

3.Used in peepholes of house doors for security to provide a view of people or objects outside the doors.

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Answer 2

Uses of  convex lens and concave lens

Explanation:

Uses of  convex lens

since convex lens is a converging lens

• it is used in Magnifying glass
• used in cameras
• used in microscopes for magnification
• used in reflective telescopes

Uses of  concave lens

• concave lens  is a diverging lens
• used in flashlights
• used to treat myopia
• used as a spy hole in doors
• used in camera

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