Question

What are any 3 uses of concave and convex lens? -avi

Answer 1

1. Concave lens
Concave mirrors are used in car headlights, reflector lamps.
Telescopes
Spectacles
Door hole lenses
2. convex lens
Convex mirrors are used as rear view mirrors in vehicles
Spectacles
Microscopes

Answer 2

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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