Department of Pre-University Education, KarnatakaPUC Karnataka Science Class 12
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An Illuminated Object is Placed on the Principal Axis of a Converging Lens So that a Real Image is Formed on the Other Side of the Lens. If the Object is Shifted a Little, - Physics

MCQ

An illuminated object is placed on the principal axis of a converging lens so that a real image is formed on the other side of the lens. If the object is shifted a little,

Options

  • the image will be shifted simultaneously with the object

  • the image will be shifted a little later than the object

  • the image will be shifted a little earlier than the object

  •  the image will not shift

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Solution

the image will be shifted a little later than the object

Light rays emitting from a source have to cover some optical distance to form an image of the source on the other side of the lens. So, when a light source is shifted by some distance on the principal axis, then the light rays emitting from the new position of the source take some time to form a shifted image of the object on the other side of the lens. However, this delay is very small because the speed of light has a very larger value.

Concept: Speed of Light
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APPEARS IN

HC Verma Class 11, 12 Concepts of Physics 1
Chapter 21 Speed of Light
MCQ | Q 3 | Page 448
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