Question

a candle of size 2 .0 cm is placed at 0.25 m from the eye lens . It's image is formed on the retina which is 25 mm behind the eye lens . Find the size of the image​

Answer 1

Explanation:

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Answer 2

Answer:

A candle of size 2 .0 cm is placed at 0.25 m from the eye lens . It's image is formed on the retina which is 25 mm behind the eye lens . The size of the image​ is 16 cm.

Explanation:

It is given in the question that the size of the object is 2cm.

Again, The distance of the object (u)is -20 mm and the distance of the image (v)=2.5mm

Since,

$Magnification=\frac{v}{u}$

$Magnification=\frac{20}{2.5}$

$Magnification=\frac{200}{25}$

$Magnification=8$

Hence, the size of the image is $-8\times2=-16cm$

The picture creation below the primary axis is the cause of this negative sign because the image is authentic. Hence, the length is only 16cm (neglecting the negative sign).

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