Question

6The ratio of object length to image length is 1:4.what will be the ratio of distance of object to distance of image from lens-*​

Answer 1

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=> Conjugate focal points  are the object points and the image points which is formed by the lens system.

=> Here, it is given that the ratio of length of object to the length of image is 1:4  

Length of object or Object distance = u

Length of image or  image distance = v

Now, the relationship between u and v:

u : v = 1 : 4

That means the image distance is four times the object distance

Hopes it help you✌️✌️

Answer 2

Answer:

> Conjugate focal points are the object points and the image points which is formed by the lens system.

=> Here, it is given that the ratio of length of object to the length of image is 1:4

Length of object or Object distance = u

Length of image or image distance = v

Now, the relationship between u and v:

u : v = 1 : 4

That means the image distance is four times the object distance