Physics, asked by kadiresrisaitejaredd, 3 months ago

the magnification of convex lens is +2.If a chalk piece of height 5cm is kept in front of the lens ,what is the height of the image.

Answers

Answered by abhi178

Given info : the magnification of convex lens is +2. a chalk piece of height 5cm is kept in front of the lens.

To find : The height of image is ...

solution : magnification of lens = height of image/height of object

here magnification of convex lens = +2

Height of chalk piece (object) = 5 cm

so, +2 = height of image of chalk piece/5 cm

⇒+10 cm = height of image of chalk piece

Therefore height of the image formed by convex lens is 10cm.

[ note : magnification of convex lens is positive only when object is placed between focus and optical centre of lens]

also read similar questions : an object of height 12cm is kept in front of a concave mirror. if the magnification of the image is 3 times the height o...

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the focal length of a convex lens is 40cm. if an object is kept at a distance of 60cm from the lens,then find the image ...

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