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Chapter: 10th Science : Chapter 2 : Optics

Lens Formula

Like spherical mirrors, we have lens formula for spherical lenses. The lens formula gives the relationship among distance of the object (u), distance of the image (v) and the focal length (f) of the lens. It is expressed as 1/f = 1/v – 1/u

LENS FORMULA

Like spherical mirrors, we have lens formula for spherical lenses. The lens formula gives the relationship among distance of the object (u), distance of the image (v) and the focal length (f) of the lens. It is expressed as

1/f = 1/v – 1/u


It is applicable to both convex and concave lenses. We need to give an at most care while solving numerical problems related to lenses in taking proper signs of different quantities.

 

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10th Science : Chapter 2 : Optics : Lens Formula |


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