Question

1 Give one use each of concave and convex mirror?

2 Which type of mirror can form a real image?

3 Which type of lens always forms a virtual image?

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Answer 1

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concave:used in torch for reflection of light
convex:used in side mirror of cars
concave mirror form real image
convex lens forms virtual image

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.

This is the answer of ur first question bro

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