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Solution - Refraction of Light - Image Formation in Lenses Using Ray Diagrams - Convex Lens

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ConceptRefraction of Light - Image Formation in Lenses Using Ray Diagrams - Convex Lens  

Question

An object 5 cm in length is held 25 cm away from a converging lens of focal length 10 cm. Draw the ray diagram and find the position, size and the nature of the image formed.

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An object of height 2.5 cm is placed at a distance of 15 cm from the optical centre 'O' of a convex lens of focal length 10 cm. Draw a ray diagram to find the position and size of the image formed. Mark optical 'O', principal focus F and height of the image on the diagram.

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"A convex lens can form a magnified erect as well as magnified inverted image of an object placed in front of it." Draw ray diagram to justify this statement stating the position of the object with respect to the lens in each case.

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A student is using a convex lens of focal length 18 cm to study the image formation by it for the various positions of the object. He observes that when he places the object at 27 cm, the location of the image is at 54 cm on the other side of the lens. Identify from the following diagram the three rays that are obeying the laws of refraction and may be used to draw the corresponding ray diagram.

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Draw a ray diagram to show the formation of image in the above situation

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(a) Draw a ray diagram to show the formation of an image by a convex lens when an object is placed in front of the lens between its optical centre and principal focus.

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Solution for concept: Refraction of Light - Image Formation in Lenses Using Ray Diagrams - Convex Lens. For the course 8th-10th CBSE
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