Question

Write lens maker formula and explain its teams. 1marks​

Answer 1

Explanation:

lens formula :-

1/f = 1/v + 1/u

Answer 2

Answer:

Lens maker formula is used to construct a lens with the specified focal length. A lens has two curved surfaces, but these are not exactly the same. If we know the refractive index and the radius of the curvature of both the surface, then we can determine the focal length of the lens by using the given lens maker’s formula:

1f = (n−1)(1R1 − 1R2)

where,

f is the focal length (half the radius of curvature)

n is the refractive index of the material used

R1 is the radius of curvature of sphere 1

R2 is the radius of curvature of sphere 2

Explanation:

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