The distance at which an object should be placed from a thin convex lens of focal length 10 cm to obtain a virtual image of double of its size is

5.5 cm

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- 5 cm

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15 cm

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-10cm

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Solution

The correct option is B
- 5 cm

Thus, we have,

We should note that, the image is virtual, and hence the object as well as image distance will be negative.

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Similar questions

An object is placed at 30 cm in front of the convex lens of focal length 10 cm. Find out the image distance from lens.

What is the position of image when an object is placed at a distance of 10 cm from a convex lens of focal length 10 cm ?

5 c m

10 c m

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