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Where Must the Object Be Placed for the Image Formed by a Converging Lens to Be: Real, Inverted and Smaller than the Object? - Science

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प्रश्न

Where must the object be placed for the image formed by a converging lens to be: 

 real, inverted and smaller than the object?

उत्तर

 For a convex lens:  

 To form a real, inverted and smaller image than the object, the object should be beyond 2F .

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अध्याय 5: Refraction of Light - Exercise 3 [पृष्ठ २४०]

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लखमीर सिंग Physics (Science) [English] Class 10
अध्याय 5 Refraction of Light
Exercise 3 | Q 26.1 | पृष्ठ २४०

संबंधित प्रश्न

 List some things that concave lens and concave mirror have in common.


Fill in the following blank with suitable word: 

Lenses refract light to form images: a..................... lens can form both real and virtual images, but a diverging lens forms only ...................... images.


Give the position, size and nature of image of formed by a concave lens when the object is placed:
 anywhere between optical centre and infinity.


An object is placed 10 cm from a lens of focal length 5 cm. Draw the ray diagrams to show the formation of image if the lens is  diverging.


When sunlight is concentrated on a piece of paper by a spherical mirror or lens, then a hole can be burnt in it. For doing this, the paper must be placed at he focus of:
(a) either a convex mirror or convex lens
(b) either a concave mirror or concave lens
(c) either a concave mirror or convex lens
(d) either a convex mirror or concave lens 


An object is placed on the axis of a lens. An image is formed by refraction in the lens. For all positions of the object on the axis of the lens, the positions of the image are always always between the lens and the object name the lens.


A lens forms an upright and diminished image of an object irrespective of its position. What kind of lens is this?


At what distance from a concave lens of focal length 20 cm a 6 cm tall object be placed so as to obtain its image at 15 cm from the lens? Also calculate the size of the image formed.
Draw a ray diagram to justify your answer  for the above situation and label it.


Convex lens : converging : : concave lens : _______


A parallel, oblique beam of light falls on a concave lens. Draw a diagram to show refraction of light through the lens.


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