Physics

Ten Standard

Test your understanding of this lesson Formation of image by a convex lens:-

1)
Formation of magnified real image of an object by a convex lens,the object should be placed
  • between optical center and focus
  • on focus
  • between focus and center of curvature
  • on center of curvature
2)
If the object be placed at a point between optical center and focus, the image will be
  • real and magnified
  • real and diminished
  • virtual and diminished
  • virtual and magnified
3)
For getting a same size image by a convex lens the object should be placed
  • between optical center and focus
  • on focus
  • between focus and center of curvature
  • on center of curvature
4)
For using a convex lens as magnifying glass the object must be placed
  • between optical center and focus
  • on focus
  • between focus and center of curvature
  • on centre of curveture
5)
If the object be placed beyond the center of curvature of a convex lens, the image will be
  • virtual and magnified
  • real and magnified
  • virtual and diminished
  • real and diminished

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