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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? - CBSE Class 10 - Science

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Question

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?

Solution

Given:
Object distance, u =   -10 cm 
(Since object is always placed on the left side of lens)
Focal length, f = +10 cm
According to lens formula: 

`1/v-1/u=1/f` 

`1/v=1/f+1/u` 

`1/v=1/10=(-1/10)=0`  

`v=1/0= oo`  

Therefore, the position of image will be at infinity. 

 

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Solution 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? Concept: Refraction of Light - Image Formation by Lenses - Convex Lens.
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