Types of Images in Optics Quiz

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Questions and Answers

What type of image cannot be obtained on a screen?

  • Virtual image (correct)
  • Enlarged image
  • Real image
  • Erect image

Which type of mirror always forms an image that is the same size as the object?

  • Concave mirror
  • Plane mirror (correct)
  • Convex mirror
  • Concave lens

Can a concave lens form a real image?

  • It depends on the size of the object
  • Yes, always
  • Yes, but only in certain conditions
  • No, never (correct)

Which type of mirror always forms a virtual and smaller image?

<p>Convex mirror (A)</p> Signup and view all the answers

What are the characteristics of the image formed by a plane mirror?

<p>Virtual and erect (D)</p> Signup and view all the answers

Which letters of the English alphabet or any other known language appear exactly the same in a plane mirror?

<p>A, H, I, M (D)</p> Signup and view all the answers

In which situations are virtual images formed?

<p>When the image cannot be obtained on a screen (B)</p> Signup and view all the answers

What are two differences between a convex and a concave lens?

<p>Convex lens makes real images and concave lens makes virtual images (B)</p> Signup and view all the answers

Give one use of a concave mirror.

<p>Magnifying glass (D)</p> Signup and view all the answers

Which type of lens forms always a virtual image?

<p>Concave lens (C)</p> Signup and view all the answers

Flashcards

Virtual Image

An image that cannot be projected onto a screen.

Plane Mirror

A mirror with a flat reflective surface that produces images that are the same size as the object.

Concave Lens and Real Images

No, a concave lens cannot form a real image; it always forms virtual images.

Convex Mirror

A mirror that always produces virtual and smaller images.

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Image Characteristics of Plane Mirror

The image is virtual (cannot be projected on a screen) and erect (upright).

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Plane Mirror Symmetric Letters

The letters A, H, I, and M (among others) appear identical when reflected in a plane mirror.

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When Are Virtual Images Formed?

Virtual images are formed when the light rays do not actually converge at the image location.

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Difference between Convex and Concave Lens

Convex lenses form real images; concave lenses form virtual images.

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Use of a Concave Mirror

A concave mirror can be used as a magnifying glass to produce an enlarged image.

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Concave Lens

A lens that always forms a virtual image because it diverges light rays.

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