Magnifying Glasses 1

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FirstFirstLastQuiz Score TotalQuestion 1a1a) What distance must the object be from the lens for it to function as a magnifying glass?Question 1bImage 1b1b) Select the diagram below that shows the correct position of the image?1c) The image produced by a magnifying glass is always virtual. What is meant by a virtual image?Quiz Percentage Grade
ppefmhEdGarstin1/3Convex lenses are often used as a magnifying glass.
  • More than two focal lengths from the lens.
  • Between one and two focal lengths from the lens.
  • Less than one focal length from the lens.
The ray diagram below shows a convex lens acting as a magnifying glass.
  • With a virtual image, the rays of light do not actually meet at a point (they only appear to). If we placed a screen where the image appears to be, we would not see an image on the screen.
  • With a virtual image, the rays of light do meet at a point. If we placed a screen where the image appears to be, we would see an image on the screen.
33%
ppefmhEdGarstin3/3Convex lenses are often used as a magnifying glass.
  • More than two focal lengths from the lens.
  • Between one and two focal lengths from the lens.
  • Less than one focal length from the lens.
The ray diagram below shows a convex lens acting as a magnifying glass.
  • With a virtual image, the rays of light do not actually meet at a point (they only appear to). If we placed a screen where the image appears to be, we would not see an image on the screen.
  • With a virtual image, the rays of light do meet at a point. If we placed a screen where the image appears to be, we would see an image on the screen.
100%
FirstFirstLastQuiz Score TotalQuestion 1a1a) What distance must the object be from the lens for it to function as a magnifying glass?Question 1bImage 1b1b) Select the diagram below that shows the correct position of the image?1c) The image produced by a magnifying glass is always virtual. What is meant by a virtual image?Quiz Percentage Grade