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An image that cannot be obtained on a screen is called a/an_______.
1. erect image
2. virtual image
3. real image
4. inverted image

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Correct Answer - Option 2 : virtual image

The correct answer is virtual image.

  • An image that cannot be obtained on a screen is called a virtual image.
  • Images are of two types: real images and virtual images.
  • Real images are formed on a screen, whereas virtual images cannot be obtained on the screen. 

Difference between real image and virtual image:

Real Image Virtual Image
Real images are inverted Virtual images are erect
Real images are formed on the screen Virtual images appear to be on the lens or the mirror itself
Real images are formed by a concave mirror Plane, convex mirror, and concave lens form a virtual image
Convex lenses form a real image Concave lenses form a virtual image
Real images are formed due to the actual intersection of light rays Virtual images are formed due to the imaginary intersection of light rays

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