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A converging lens a focal length of 30 cm.Rays from a 2.0 cm high fliament that pass through the lens form a virtual image at a distance of 50 cm from the lens.where is the fliament located?what is the height of the image?

Abhishek , 12 Years ago

Grade 12

1 Answers

Arun Kumar

$1/f=1/d_{o}+1/d_{i} \\=>1/30=1/50+1/d_{o} \\=>d_{o}=75$

where d is distance

$M=h_{i}/h_{o}=-d_{i}/d_{o} \\=>|h_{i}|=50*2/75=4/3cm$

Arun Kumar

IIT Delhi

Askiitians Faculty

Last Activity: 12 Years ago

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Modern Physics> lens...

A converging lens a focal length of 30 cm.Rays from a 2.0 cm high fliament that pass through the lens form a virtual image at a distance of 50 cm from the lens.where is the fliament located?what is the height of the image?

Abhishek , 12 Years ago

Arun Kumar

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