मराठी

A converging lens forms the image of an object placed in front of it beyond 2F2 of the lens. Where is the object placed?

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प्रश्न

A converging lens forms the image of an object placed in front of it beyond 2F2 of the lens. Where is the object placed?

एका वाक्यात उत्तर
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उत्तर

The object is positioned in front of the convex lens between F1 and 2F1.

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पाठ 5: Refraction through a Lens - EXERCISE - 5 (B) [पृष्ठ १२०]

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सेलिना Concise Physics Part 2 [English] Class 10 ICSE
पाठ 5 Refraction through a Lens
EXERCISE - 5 (B) | Q 9. (a) | पृष्ठ १२०

संबंधित प्रश्‍न

Draw a ray diagram to show how a converging lens can form a real and enlarged image of an object.


Draw a ray diagram to show how a converging lens can form an image of the sun. Hence give a reason for the term ‘burning glass’ for a converging lens used in this manner.


An object is placed at a distance of more than 40 cm from a convex lens of focal length 20 cm. The image formed is real, inverted and ______.


An object is placed at a distance 5 cm from a convex lens of focal length 10 cm. The image formed is virtual, upright and _____.


For the object placed between the optical centre and focus of a convex lens, the image is ______.


Where should an object be placed so that a real and inverted image of the same size is obtained by a convex lens?


A small bulb is placed at the principal focus of a convex lens. When the bulb is switched on, the lens will produce


Which of the following lens would you prefer to use while reading small letters found in a dictionary?


Draw ray diagrams showing the image formation by a convex lens when an object is placed

  1. between optical centre and focus of the lens
  2. between focus and twice the focal length of the lens
  3. at twice the focal length of the lens
  4. at infinity
  5. at the focus of the lens

Complete the following table based on image formation by convex lens:

Position of Object Position of Image Nature of Image
At infinity (a) ______ Real and inverted and highly diminished image
Beyond 2F1 (b) ______ (c) ______
At 2F1 (d) ______ Real, inverted, same size (as object) image
Between F1 and 2F1 Beyond 2F2 (e) ______
At focus F1 (f) ______ Real, inverted and highly enlarged image

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