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A Convex Lens of Focal Length 8 Cm Forms a Real Image of the Same Size as the Object. the Distance Between Object and Its Image Will Be: (A) 8 Cm (B) 16 Cm (C) 24 Cm (D) 32 Cm - Science

A convex lens of focal length 8 cm forms a real image of the same size as the object. The distance between object and its image will be:

(a) 8 cm
(b) 16 cm
(c) 24 cm
(d) 32 cm

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Solution

32 cm
A convex lens forms a real image at 2f on the right side of the lens. The size of the image is equal to that of the object if the object is placed at 2f.

∴ Distance between the image and the object =` 2f + 2f = 4f = 4xx  8 = 32 cm` 

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APPEARS IN

Lakhmir Singh Class 10 Physics (Science)
Chapter 5 Refraction of Light
Q 43 | Page 242
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